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Glossary

   
 
Accrescent  

- increase in size with age (usually of calyx)

Achene 

- a hard,- dry, indehiscent, one-seeded fruit with a single cavity

Acuminate

- tapering to a pointed apex, sides more or less pinched in before reaching the tip

Acute

- tapering to the apex with the sides straight or nearly so; usually less tapering than acuminate

Adnate 

- the fusion of unlike parts

Afforestation

- The conversion of bare or cultivated land into forest. The establishment of a forest, stand or tree crop on an area not previously forested, or on land from which forest cover has very long been absent (IUFRO Silva term database: http:/iufro.boku.ac.at/)
Alternate - arranged in a zig-zag manner, neither opposite nor whorled
Androgynophore

- an internode of the floral axis between the corolla and stamens bearing the stamens and the pistil

Anther – lobe

- pollen containing sac of the stamen

Apetalous

- without petals or corolla

Apical  

- at the terminal point of any structure

Apiculate

- with a short, but not rigid point

Aril 

- an appendage arising from the hilum and covering the seed  

 
- The identification of the status of, and threats to, wetlands/mangroves as a basis for the collection of more specific information through monitoring activities (Ramsar definition)
Aristate Assessment

- awned

Attenuate

- narrowed, tapered (usually at base)

Awn

- a bristle - like terminal appendage

Axillary  

- situated in the axil, usually in the axil of stem and leaf

Beaked

- provided with a solid, narrow, tubular beak-like prolongation

Berry   

- a pulpy fruit with embedded seeds

Bifid  

- divided into two parts, bifurcated

Biodiversity

- Biodiversity is a condensed form of biological diversity. “Biological diversity” means the variability among living organisms from all sources including, inter alia , terrestrial, marine and other aquatic ecosystems and the ecological complexes of which they are part; this includes diversity within species, between species and of ecosystems (CBD Article 2).
Bipinnate  

- twice pinnate (compound leaf)

Bisexual  

- containing both stamens and carpels

Bract   

- a modified reduced leaf on an inflorescence with a flower in its axil

Bracteolate

- the condition of having bracteole (in flowers)

Bracteole  

- a small bract often on the petiole or immediately below the calyx

Buffer zones

- Areas on the edge of protected areas that have land use controls and allow only activities compatible with protection of the core area, such as research, environmental education, recreation and tourism (UNEP-WCMC)
Buttress - downward sloping radial projection from lower trunk of tree
Caducous   - falling off early
Calyx    - the outermost series of the parts of a flower
Campanulate - bell – shaped
Capacity Building - Improving and building the technical and managerial skills and resources within an organization (World Bank. Glossary of Municipal Solid Waste Management Terms)
Capitate   - knob like
Capsule - dry dehiscent fruit, when ripe opens by two or more valves
Carpel   - a modified leaf forming an ovary bearing the ovules
Carrying capacity - It is the maximum number of individuals of a defined species that a given environment can support over the long term, or it is the ability of an environment to sustain the resource demands of a species or a community without losing its ability to regenerate the resource. The carrying capacity of a given area for a certain type of use can be defined as the capacity to provide space, resources and environmental conditions in a sustainable manner. IUCN, UNEP and WWF define it as the “capacity of an ecosystem to support healthy organisms while maintaining its productivity, adaptability, and capability of renewal”.
Caryopsis   - an achene in which the pericarp is united with the seed developed from a superior, one-carpeled ovary
Catkin     - a type of inflorescence having usually of unisexual flowers without petals solitary or twin in the axils of bracts
Caudate - with a tail like ending
Cauline  

- belonging to the stem

Cilia - a marginal hair
Ciliate - hairy along margins
Circumscissile  - dehiscent by a horizontal line cutting through the middle, the top part falling away as a lid
Cirrhose  - leaf with prolongation of midrib forming a tendril
Clavate - club shaped
Clawed    - with a narrow, tapering base, especially of petals
Column   - a solid body formed from fusion of stamens and styles
Coma   - a tuft of hair at the end of seeds

Co-management

- The sharing of authority, responsibility, and benefits between government and local communities in the management of natural resources (UNEP-WCMC glossary).
Compound  

- formed of similar parts grouped in a whole usually of leaves consisting more than one separate leaf lets

Connate - united to one another

Conservation

- Protection from change, loss or damage or protection of valued resources through the protection, management and care of natural and cultural resources (Encarta, 1999).

Convention on Biological Diversity (CBD)

- Adopted in Rio de Janeiro, Brazil, June 1992 and cane into force December 1993. Signed by over 150 countries. Legally binding agreement with the three key objectives:
  • Biodiversity Conservation
  • Sustainable use of biodiversity
  • Fair and equitable sharing of the resulting benefits

This Conservation is the first global, comprehensive binding agreement to address all aspects of biological diversity: genetic resources, species and ecosystems. It requires countries to develop and implement strategies for sustainable use and protection of biodiversity and provides a forum for continuing dialogue on biodiversity related issues through the annual Conference Of the Parties (COP).

Convention on International Trade in Endangered Species of wild flora and fauna (CITES)

- Adopted in Washington D.C. March 1973 and came into force July 1975 in response to the growing concern over large scale exploitation of wildlife for international trade which was threatening species with extinction. Aims of regulate international trade of wildlife (animals and plants dead or alive or any recognizable parts or derivatives of) threatened or endangered in the wild through a system or permits and controls.
Convolute - rolled up along the margins
Cordate - deeply notched at base, conventional heart-shaped
Coriaceous - leathery
Corolla    - the interior series of the perianth
Corona   - an inner appendage to the corolla or petals sometimes appears like a second corolla, or a ligular outgrowth of the stamens
Corymb     - a type of inflorescence with several flower stalks arising at different levels which reach the same level at the top
Cotyledon   - leaf of an embryonic plant in the seed stage
Crenate   - having a margin with low, rounded lobes
Cryptoviviparous

- in which the seeds germinate but are covered with their pericarp (fruit skin) before detaching from the parent tree

Culm   - the stem of a grass or bamboo
Cuneate - wedge shaped
Cylindrical  - circular stem as seen in T.S.
Cyme   - a   type of inflorescence in which the secondary or lateral branches continue to grow and may extend beyond the main axis
Cymose  - sympodially branched
Deciduous - losing leaves seasonally / falling off
Decussate  - with successive pairs of organs arranged at right angles to one another, causing them to appear
Dehiscence - the condition of splitting into definite parts on ripening, usually of a capsular fruit
Dichasial   - a condition of inflorescence in which all the axes end in flowers from below which lateral opposite branchlets arise
Dichotomous - forked
Didynamous - in an androecium for stamens in two pairs, one pair shorter than the other
Dioecious    - male and female flowers segregated on different plants
Discoid  

- with a disk

Disk (=disc) - a swollen portion of the axis of the flower inside the calyx and under the pistil
Distichous   - two ranked, with leaves, leaflets or flowers on opposite sides
Divaricate    - extremely divergent
Dorsal   - relating to the back
Drupaceous  - more or less drupe like
Drupe - a fleshy fruit with 1 –many celled stony seeds
Ebracteate   - without bracts

Ecosystem

- A dynamic complex of plant, animal and micro-organism communities and their non-living environment interacting as a functional unit (Article 2 on the Convention of Biological Diversity)

Ecosystem functions

- The processes of production and dynamics of resources (organic matter, nutrients, biomass, elements) and energy through systems. A set of ecological processes responsible for providing an environmental good or service (Gilbert and Janssen, 1998).

Ecosystem resilience or resistance

- Determines the persistence of relationships within a system, and is a measure of the ability of these systems to absorb changes in species composition and abundance and still persist without drastically changing the ecosystem performance.
Ellipsoid   - an elliptical solid body
Elliptic   - broader in the middle with narrowed ends
Emarginate    - deeply notched at the apex
Emucronate     - absence of mucronate tip

Endangered species

- A technical definition used for classification in the United States referring to a species that is in danger of extinction throughout all or a significant portion of its range. IUCN The World Conservation Union (1994) definition, defines species as endangered if the factors causing their vulnerability or decline continue to operate UNEP-WCMC glossary).
Endocarp   - the inner layer of the wall of a fruit
Ensiform   - sword shaped
Entire   - without any teeth at the margin

Environmental Impact Assessment

- A method of analysis which attempts to predict the likely repercussions of a proposed major development (usually industrial) upon the social and physical environment of the surrounding area (UNEP-WCMC glossary).
Epicalyx    - a whorl of bracts just below the calyx
Epicarp   - the outermost layer of the pericarp of the fruit
Epipetalous - placed on the petals or corolla
Episepalous - placed on the sepals or opposite to the sepals
Erect   - rigid, strong and upright stem
Exalbuminous  

- without endosperm or albumen

Exerted    - protrouding above, usually of stamens in the corolla-tube
Exfoliate     - devoid of leaves, usually of branches
Exstipulate  - without stipules
Filament - the stalk of an anther; any thread like body
Fimbricate    - fringed
Follicle    - a fruit of one carpel opening by a ventral suture to which the seeds are attached
Frond     - leaf of a fern
Funicle   - the stalk of a ovule or seed
Glabrous    - without any hair or smooth
Glaucous  

- of sea-green or blue-green colour

Globose   - spherical
Glume    - the bracts and bracteoles on the spike-lets of grasses and sedges

Genetic Diversity

- The variation within and between populations of species (i.e. individual plants, animals and micro-organisms), measured in terms of the variations between genes or DNA or amino acid sequences, as well as numbers or breeds, strains and distinct populations.

Hair    - trichome but sometimes restricted to simple non-glandular trichome only
Hairy    - clothed with hair
Herb    - a plant, either annual, perennial, or biennial, of which the parts above ground are not woody
Herbaceous   - having the structure or texture of an herb, not woody
Hermaphrodite - bisexual, flower having both androecium and gynoecium
Hilum    - the scar on the seed at which it is attached to the stalk or hilum
Hispid    - with short scattered stiff bristles
Hypocotyl - the axis of an embryo below the cotyledons
Imbricate - overlapping; usually of arrangement of sepals and petals
Imparipinnate - a condition in a compound leaf with an odd terminal leaf-let
Indehiscent   - not regularly opening, seedpod or anther
Induplicate   - with edges folded inwards
Inferior    - position of a floral part at lower level (usually of ovary)
Inflorescence - a group of flowers as a whole

Integrated Coastal Zone/Area Management (ICZM/ICAM)

- Used to describe continuous and dynamic process that unites government and the community, science and management, sectoral and public interests in preparing and implementing an integrated plan for the protection and development of coastal systems and resources (GESAMP, 1996).

Involucre   - a ring of bracts surrounding a single flower or an infloresence
Involute   - rolled inwards along both margins

IUCN Red List of Threatened Species

- Provides taxonomic, conservation status and distribution information on taxa that have been evaluated using the IUCN Red List Categories and Criteria. This system is designed to determine the relative risk of extinction, and the main purpose is to catalogue and highlight those taxa that are facing a higher risk of global extinction (i.e. those listed as Critically Endangered, Endangered and Vulnerable). The IUCN Red List also includes information on taxa that are categorized as Extinct or Extinct in the Wild; on taxa that cannot be evaluated because of insufficient information (i.e. are Data Deficient); and in taxa that are either close to meeting the threatened thresholds or that would be threatened were it not for on-going taxon-specific conservation programmes (i.e. Near Threatened)

Jugate    - in paired conditions
Keeled     - ridged
Lamina   - leaf blade
Lanceolate - shaped like a lance-head
Leaflet   

- one of the blades of compound leaf

Leguminous - resembling legume
Lemma    - lower pair of bracts beneath each floret in grass inflorescence
Lenticelled   - with pores on the bark
Ligule    - a membranous strap-shaped organ, usually in grasses at base of the leaf inside
Lip   - the upper or lower part of a bilabiate corolla or calyx

Livelihood

- The word livelihood can be used in many different ways but in this context we have used the UK Department for International Development (DFID) definition: “A livelihood comprises the capabilities, aspects (including both material and social resources) and activities required for a means of living. A livelihood is sustainable when it can cope with and recover from stresses and shocks and maintain or enhance its capabilities and assets both now and in the future, while not undermining the natural resource base” Carney (1998). (http://www.livelihoods.org)

Lobe - any segment of an organ especially if rounded
Locule   - a compartment or cell, such as that of an ovary or anther / cut less than half way

Management

- The act or practice of handling, administering, supervising or controlling, entities, resources and activities.

Marine Protected Areas (MAP)

- In 1986, the IUCN Commission on National Parks and Protected Areas (CNPPA) began promoting the establishment and management of a global representative systems of marine protected areas. IUCN defines MPA as “any area of intertidal, subtidal terrain, together with its overlying water and associated flora and fauna, historical and cultural features, which has been reserved by law or other effective means to protect part or all of the enclosed environment” (Gubbay, 1995).

Membranous  
- having a thin, soft, pliable texture
Merous  
- a suffix used in combination to indicate the number of the parts
Midrib 
- the conspicuous central vein in the vascular system of an appendage
Monadelphous 
- having the stamens united into a single structure
Monoecious
- bearing male and female flowers separately on the same plant
Monopodial  
- a stem of a single and continuous axis
Mucro  
- a short, small abrupt tooth-like tip; loosely used but not very sharp at extreme apex
Mucronate  
- tipped with a short hard blunt point
Nodulose   
- when the slender root becomes suddenly swollen near the apex

Non-Governmental Organisation (NGO)

- A non-profit group or association organized outside of institutionalised political structures to realize particular social objectives (such as environmental protection) or serve particular constituencies (such as indigenous people or other local communities). NGO activities range from research, information distribution, training, local organization and community service to legal advocacy, lobbying for legislative change, and civil disobedience. NGOs range in size from small groups within a particular community to huge membership groups with a national or international scope (UNEP-WCMC glossary).

Nut   
- an indehiscent, one – seeded fruit from more than one carpel and having a woody coat
Obconic  
- inversely conical
Oblique   
- a shape with half more large than the other; usually of leaf
Oblong
- longer than broad with sides nearly parallel
Obovate
- reversed ovate shape
Obtuse   
- blunt ended
Orbicular
- circular in outline
Ovate  
- egg shaped
Ovule  
- minute bodies found inside the ovary which after fertilization develop into seeds
Palmate  
- like a palm with widely divergent fingers; usually of a compound leaf with leaf-lets
Panicle   
- a repeatedly branched inflorescence
Papillose
- with soft superficial protruberances or glands
Parallel   
- parallel veined
Paripinnate
- pinnate with an equal number of members on each side of the axis and without an odd terminal one
Pedicel    
- stalk of a flower
Pedicellate  
- the flower with pedical
Peduncle  
- a common stalk of more than two flowers
Peltate   
- the floral envelops without any differentiation into calyx and corolla
Pendulous 
- hanging
Pentamerous 
- five-merous, the parts in 5's or multiple of 5
Perennial  
- a plant lasting for 3 or more years
Perianth   
- having the stipe attached to the lower surface but not at the base or margin
Pericarp    
- outer wall of a fertilized ovary or fruit
Persistent  
- not falling off
Petal    
- a single member of the corolla
Petaloid 
- like petals
Petiolate  
- leafs with stalks
Petiole    
- leaf-stalk
Pinnae   
- the lobes of a bipinnate leaf
Pinnate    
- feather-formed with the leaflets of a compound leaf placed on either side of the rachis
Pistil    
- the female sex organ consisting of ovary style and stigma
Plicate    
- plaited
Plumule    
- a primary leaf-bud of an embryo
Pneumatophore
- vertical outgrowths of roots which facilitate breathing in swamp plants
Pod    
- a dehiscent dry fruit
Prostrate  
- lying flat on the ground
Pubescent   
- clothed with short soft hair / having fine short hair
Pyriform
- pear-shaped
Raceme  
- a type of infloresence with a continuously growing main axis and the oldest flowers at the base opening first
Radicle   
- the rudimentary root in an embryo

Reforestation

- Planting of forests on lands that have previously contained forests but that have been converted to some other use (IPCC, 2001). The reestablishment of forest cover either naturally (by natural seedling, coppice, or root suckers) or artificially (by direct seedling or planting) (IUFRO Silva term database http://iufro.boku.ac.at/)

Rehabilitation

- The recovery of specific ecosystem services in a degraded ecosystem or habitat (UNEP-WCMC glossary). Establishment of mangroves in degraded/destroyed mangrove areas through activities by man namely hydrology and planting restoration. A functioning system reinstated by man but not necessarily what was there before.

Restoration

- The return of an ecosystem or habitat to its original community structure, natural complement of species, and natural functions (UNEP-WCMC glossary). Returning a former mangrove forest area to forest cover through hydrological restoration and either followed by planting of seeds, seedlings or saplings or allowed to naturally recolonise.

Reticulate  
- netted
Rhizomatous 
- possessing rhizomes
Rhizome  
- a modified horizontally running underground stem
Scaberulous  
- covered with small hard rough hair
Scaly   
- with scale
Scandent  
- climbing
Scutellum  
- a second and anterior cotyledon in grasses
Sedges  
- plants of the family Cyperaceae having spirally arranged seeds
Sepal   
- a single member (lobe) of the calyx
Septate  
- partitioned by walls
Serrate   
- toothed, with teeth inclined upwards
Sessile  
- without a stalk
Setaceous   
- with long, stiff needle like hair
Sheath  
- the tubular basal portion to a leaf, usually which encircles the stem
Sheathing   
- the leaf having expanded base of the petiole encircling partially or completely the stem
Siliqua  
- a long, narrow many seeded fruit developing from a superior, bicarpellary ovary with two parietal placentae, dehiscing from below upwards by both the sutures
Sinuate  
- leaf margin divided by irregularly spaced narrow notches
Sinus
- a recess or re-entering angle
Solitary   
- flowers borne singly, not in clusters
Spadix    
- a flower spike with a fleshy axis
Spathe   
- a more or less modified bract enclosing an inflorescence
Spathulate  

- structure has broad apex and long, narrow base

Species diversity

- The variation of species and subspecies among living organisms on Earth.

Spicate  
- arranged in such a way as to resemble a spike
Spiciform   
- a spike-like inflorescence
Spike  
- inflorescence with sessile flowers on elongate axis
Spikelet  
- an ultimate part of a spike with 1 or more sessile flowers
Spine 
- a rigid, sharp – pointed structure usually modified from a stem
Spinous  
- bearing many spines
Spiny  
- stem having spines
Spore   

- reproductive body of lower plants, usually single cell

Stability

- The ability of a system to return to the initial equilibrium state following a temporary disturbance.

Stakeholder

- An institution, organization, or group that has some interest in a particular sector or system (WHO.http://www.who.int/terminology/ter/Health_futures.html).
People who use, affect or otherwise have an interest in the mangrove ecosystem.

Stalk  
- a short or elongate structure bearing or supporting another structure
Stamen  
- the floral organ bearing the anther and pollen
Staminode
- an abortive stamen without anther and pollen
Stellate  
- star like, usually referred to hair on plant parts
Sterile 
- infertile and unproductive, as a flower without a pistil, a stamen without an anther or a leafy shoot without flowers
Stigma

- the terminal part of pistil which receives the pollen

Stilt-root  
- looping aerial roots exposed to the air, arising from the trunk and lower branches and extending outward and downward into the soil.
Stip  
- the stem – like, usually basal part of a thallus
Stipitate
- stalked
Stipule
a lateral appendange at the base of petiole
Sub-sessile 
- having short petiole
Succulent  

- juicy; fleshy; soft thickened in texure

Suckers
- adventitious shoot that develops from root, often coming up from parent plant separated from parent plant after development of root and these form new plants
Sulcate
- grooved or furrowed

Sustainable development

- “Development that meets the needs of the present without compromising the ability of future generations to meet their own needs” (Brundtland, 1987) or “the management and conservation of the natural resource base and the orientation of technological change in such a manner as to ensure the attainment and continued satisfaction of human needs for present and future generations. Such sustainable development (in the agriculture, forestry and fisheries sectors) conserves land, water, plant and animal genetic resources, is environmentally non-degrading, technically appropriate, economically viable and socially acceptable” (FAO, 1988). See also “WSSD”

Suture  
- a groove marking the line along which a structure opens any lengthwise groove that forms a junction between two parts
Sympodial
- a stem with a series of superposed branches appearing to be a simple axis

Taxon

- A grouping of species: taxonomic group at any level, e.g. Kingdom, Phylum or Division, Class, Order, Family, Genus, Species, Sub-species
(http://212.187.155.84/wnv/Subdirectories_for_Search/Glossary&References_Contents/KeywordsContent s/t/Taxon.htm)

Terete  
- more or less cylindrical
Terminal  
- arising from the end of the stem
Tessellate 
- mosaic-like
Testa   
- the outer seed coat or coat
Thyrse
- a compact panicle, usually egg or spindle shaped
Tomentellous
- minutely tomentose
Tomentose  
-densely matted with woolly hair
Tomentum 
- pubescence of densely matted, short hair
Trichotomous
- an axis successively 3 forked
Trigonous  
- said of an achene or other structure which is three – sided or triangular in cross section
Triquetrous  
- having three projecting angles
Truncate   
- ending in a transverse line
Tuberculate  
- structure that has its surface covered with small warty
Tufted   
- with a dense cluster of elongate structures spreading from what appears as a common point of attachment
Twisted   

- one margin of the petal overlaps that of the next one, and the next margin overlaps the third one

Umbel   
- an inflorescence in which a cluster of padicels arise from the same point
Unipinnate  
- having leaflets on each side of and axis
Unisexual  
- in flowering plants, said of a plant or flower that either bears only stamens or only pistils, but not both
Utricle   
- a small bladder
Veins    
- the ultimate branches or divisions of the vascular system, as in leaves or petals
Venation   
- arrangement of veins
Ventral    
- relating to the front side
Villose    
- clothed with long, shaggy weak hair
Villous
- shaggy appearance due to coverage of long, soft, curly trichomes
Vivipary  
- the process of germination of seed while still attached to the parent plant
Warty   
- covered with firm roundish eruptions
Whorled   
- occurring in a whorl
Xerophyte 
- plant of dry habitat able to endure conditions of prolonged drought
Zygomorphic
- having the members of any whorl unlike irregular
Copyright 2013, by the Contributing Authors. Cite/attribute Resource. Glossary. (2008, January 10). Retrieved October 28, 2013, from UN University OCW Web site: http://www.ocw.unu.edu/international-network-on-water-environment-and-health/unu-inweh-course-1-mangroves/glossary. This work is licensed under a Creative Commons License. Creative Commons License