Displaying 81 - 120 out of 621 Object(s)
| Term | Definition | |
|---|---|---|
| Bearded | Referreing to a plant that has a tuft of hairs, usually on the lower petal. | |
| Bi- | A prefix meaning “two.” |  |
| Bifacial | Referring to an organ with the opposite surfaces differing in color, texture, or structure; e.g., the anthers of Gronoviaceae, or to a leaf with two different types of tissue on each side, as observed in a transverse section. | |
| Bifarious | Arranged in two vertical rows, such as ovules in an ovary or seeds in a fruit. | |
| Bifid | Cleft into two often more-or-less acute lobes at the apex; for example, the apex of a leaf of Cyclanthus bipartitus. |  |
| Bifurcate | Splitting into two equal parts at the apex; forked. |  |
| Bilaterally symmetric | Capable of being divided only into two equal parts; a structure (e.g., a flower) in which a line drawn through the middle will produce a mirror image of one side of the line to the other side of the line. Opposite of actinomorphic; same as bilaterally symmetrical and irregular. | |
| Bipartite | Split into two parts. | |
| Biseriate | Composed of two whorls or rows; e.g., a perianth with both calyx and corolla or a hair with two rows of cells. Compare with uniseriate. | |
| Bladder-like | Sac-like, inflated structures that surrounds seeds some structure, e.g., the fruits of plants such as |
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| Blade | The expanded portion of a leaf or other structure such as a petal; when it is a leaf the stalkt is called the petiole and when it is a petal the narrowed part is the claw. Same as lamina. |  |
| Bract | A reduced and frequently otherwise differentiated leaf often associated with inflorescences and sometimes subtending a flower. |  |
| Bracteate | Provided with bracts. | |
| Budding pouch | A cavity found at the basal end of the plant body of Lemnaceae in which flowers or vegetative buds are produced. | |
| Bulbous | Swollen like a bulb. | |
| Bullate | Blistered or bulging up between the higher order veins on the adaxial surface. |  |
| Caducous | Falling off early. Same as fugacious. |  |
| Callose | Bearing a callus; hard or thick. | |
| Calycophyll | An expanded sepal of some Rubiaceae that functions to attract pollinators or to aid in wind dispersal. | |
| Calyculus | Rimlike calyx of Loranthaceae or a lower row of phyllaries of Asteraceae that can be distinguished from the remaining phyllaries. |  |
| Calyptrate | Bearing a lid-or caplike structure; e.g., the apex of the connate calyx of Calyptranthes (Myrtaceae) that falls intact from the flower at anthesis. | |
| Campanulate | Broadly bell-shaped with a wide mouth; usually used to describe a corolla or the shape of a fruit. |  |
| Canaliculate | A channel or groove that runs the length of a stucture such as a petiole or midrib. Used mostly to describe petioles and midribs. |  |
| Candelabra | A type of stellate hair in which the divisions are arranged in several tiers; e.g., in some species of Buddlejaceae. | |
| Canescent | Gray in color because of a covering of dense hairs. | |
| Capitate | Shaped like a head; having or growing in a head (capitulum). |  |
| Carina (carinate) | A keel or ridge (possessing a keel, ridged like the bottom of a boat; same as keeled). |  |
| Carnose | Thick and fleshy. | |
| Carnosulose | Thick and fleshy but not markedly so. | |
| Castaneous | Chestnut-colored; grayish brown to moderately reddish brown. | |
| Cataphyll | Scale-like bract on the proximal part of a new expanded vegetative or reproductive shoot. |  |
| Cauda | A tail-like appendage. | |
| Cauline | Of or associated with the stem or trunk of a plant, such as a cauline inflorescence or infurctuescence. |  |
| Caustic | Capable of causing a burning sensation; e.g., the sap of |
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| Caviform | Hollow. | |
| Ceraceous | Waxy in texture or appearance. | |
| Cerebriform | Referring to a globoid structure, such as a fruit, that has a convulted and folded surface similar to that of a brain. |  |
| Cernuous | Drooping or nodding. | |
| Cetaceous | Chalky or chalky white in appearance; the color caused by a waxy layer. Do not confuse with Cretaceous Period. | |
| Chaff | Thin, dry scales or bracts. |