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| TERM | DESCRIPTION |
| Achenes | A dry, one-seeded fruit, which ripens without bursting |
| Acrocarpous | Bearing fruit at the top of the main stem |
| Actinomorphic | Radially symmetrical |
| Aestivation | The arrangement of flower petals in the bud before opening |
| Anandrous | Without stamens |
| Anastomoses | The union of ramifications of leaf veins |
| Anthers | The part of the stamen which produces pollen and to which the filament is usually attached |
| Arils | An outer coating to some seeds, often bright in colour |
| Axillary | Relating to an axil, growing in the axil (of buds) |
| Bipinnate | Having leaflets growing in pairs on paired petioles |
| Bracts | A leaf in whose axil a flower grows |
| Calyptra | Hoodlike covering of a flower or fruit |
| Calyx | An outer whorl of floral leaves forming the protective the protective covering of a flower bud. |
| Campanulate | Bell shaped |
| Capitulum | A rounded or flattened head of sessile flowers, a flower head |
| Capsule | A dry, dehiscent fruit composed of 2 or more carpels |
| Carpels | Part of the structure of a seed plant |
| Carpophores | A slender prolongation of the flora axis which supports the carpel |
| Cataphylls | Coloured sepals |
| Corolla | A whorl of petals especially brightly coloured growing from the receptacle of a flower between the calyx and stamens. |
| Corymb | A raceme with lower pedicels elongated so that the top of the inflorescence is nearly flat. |
| Corymbform | Having the shape of a corymb |
| Crenate | Having a toothed edge, with scalloped margin |
| Cuneiform | Wedge-shaped |
| Cyme | An inflorescence in which the peduncle terminates in a single flower. Other flowers grow later on lateral shoots. |
| Cymose | Of, like or derived from a cyme |
| Deciduous | Falling at the end of the growth period or at maturity |
| Dehiscence | The spontaneous opening of a closed structure, along certain lines or in definite a direction to release the contents |
| Dentate | Toothed, having a sharp, saw-like edge |
| Didymous | Growing in pairs |
| Drupes | A fleshy fruit with one or more seeds, each surrounded by a hard layer |
| Endocarp | The innermost layer of the pericarp when it is differentiated |
| Epicarp | The outermost layer of the pericarp |
| Epigynous | Growing on top of the ovary |
| Fasciculated | Arranged in clusters |
| Filament | The stalk of a stamen bearing the anther |
| Filiform | Thread-shaped |
| Gamopetalous | Sympetalous, with all the petals joined |
| Gamophylious | With leaves joined by their edges |
| Gamosepalous | With the sepals joined |
| Glutinous | Glue-like, viscous |
| Herbaceous | Not becoming woody |
| Heterogamous | Having flowers which are differentiated sexually |
| Heteromorphic | Having different forms or sizes at different stages of development |
| Heterophyllous | Bearing foliage of different kinds on one plant or plant part |
| Homochromatic | Having the same colour |
| Hypogynous | Growing from below the ovary and not adhering to it |
| Imbricate | Having parts overlapping each other |
| Inflorescence | The way in which flowers are arranged or develop on an axis |
| Infundibuliform | Funnel-shaped |
| Involucre | A calyx-like structure formed by of bracts around or just below the base of a usually condensed inflorescence |
| Lamina | The blade of a leaf or petal |
| Lanceolate | Narrowing to a point at each end or at a tip |
| Locule | A small cavity in the ovary or in an anther |
| Mesocarp | The middle layer of a pericarp when it is differentiated into three layers |
| Midvein | The central vein of a leaf |
| Monospermic | Having only one seed |
| Ovary | The hollow chamber in which ovules are borne |
| Panicles | A loose irregular flower cluster (a compound raceme) |
| Paniculate | Arranged in panicles |
| Papilionaceous | Shaped like a butterfly especially flowers |
| Pappus | A downy or feathery tuft in place of a calyx, used in fruit dispersal |
| Pedicel | A short, slender stalk holding a flower or fruit |
| Peduncles | Pedicels |
| Pericarp | The ripened walls of a plant ovary that may be more or less homogenous or consist of up to three layers: endocarp, mesocarp, epicarp |
| Petiole | A stalk holding a leaf |
| Pinnate | Having leaflets on each side of the rachis |
| Pistil | Female seed bearing organ of a flower including the ovary, stigma and the style |
| Placentation | The development of a placenta |
| Pubescent | A downy or hairy covering |
| Racemose | Bearing an unbranched inflorescence having stalked flowers with the youngest growing at the tip |
| Receptacle | The part of a plant stem containing germinal buds |
| Schizocarp | A compound fruit which splits when ripe into several indehiscent portions, each having one seed |
| Serrate | Having notches or teeth like the cutting edge of a saw |
| Sessile | Attached directly at the base with, with no intervening support such as a pedicel, peduncle or stalk. |
| Stamen | The male organ of a flower, consisting of a filament bearing an anther containing pollen |
| Staminodium | A rudimentary, imperfect or sterile stamen |
| Stigma | The part of the pistil or gynoecium, which receives the pollen |
| Style | The slender stalk-like of the pistil connecting the stigma to the ovary |
| Testa | Outer coat of a seed |
| Thrysus | An inflorescence in which the main axis is racemose and the secondary axes are cymose |
| Tomentum | A close covering of downy, cottony or woolly hairs on leaves or stems |
| Umbel | An inflorescence in which all the pedicels from the top of the main stem and form a flat or rounded cluster |
| Unisexual | Of only one sex, either male or female |
| Urceolate | Pitcher-shaped |
| Valvate | Having petals or sepals that meet at their edges but that do not overlap |
| Zygomorphic | Bilaterally symmetrical divisible into two similar parts in only one plane |