Flora of North America Glossary
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| Term | Synonyms | Category | Limitation | Definition |
|---|---|---|---|---|
| ventricose | = bellied | solid shape | Bulging unilaterally near the middle, as though with a belly. | |
| ventrifixed | fixation | Attached on the adaxial side well above the base. | ||
| vermiculate | = worm-shaped | solid shape | Basically cylindric, elongate, and slender with bluntly rounded ends, variously curved over its length. | |
| vernation | CHARACTER | Disposition of leaves in the bud. | ||
| verrucose | = tuberculate, tuberculose, warty | relief | Covered with small, relatively broad, irregularly shaped, obtuse protrusions. | |
| versatile | fixation | Attached in a manner allowing free rotation and declination. | ||
| verticil | = cycle, series, whorl | STRUCTURE | A set of three or more lateral structures that are inserted around an axis at the same level. | |
| …verticillate | = …cyclic, …seriate, …whorled | arrangement | Disposed in the number of verticils (cycles, series, whorls) indicated by the prefix; as in five-whorled, 3-whorled. | |
| verticillate | = cyclic, seriate, whorled | arrangement | Disposed along the axis in groups of three or more, the members of each group (cycle, series, verticil, whorl) inserted regularly around the axis at the same level. | |
| vesicle | STRUCTURE | A small bladder-like part consisting of an enclosing wall or covering and an empty or fluid-filled interior, sometimes turgid; esp. in citrus fruits (hesperidia). | ||
| vesiculate | = alate, saccate, winged | architecture | pollen grain | Having lateral lobes or enations resembling sacs or somewhat inflated wings. |
| vespertine | = evening-blooming | habit | flower | Opening during the evening. |
| vestigial | < obsolete (not recommended), rudimentary | manifestation | Not developing fully and not functional compared with corresponding structures in other taxa, and thought to have devolved to that state from a fully developed and functional structure in an ancestral taxon. | |
| vestiture | STRUCTURE / SUBSTANCE | See vesture. | ||
| vesture var. vestiture | = indumentum | STRUCTURE / SUBSTANCE | The trichomes and/or exuded substance that overlie a surface proper, regarded collectively. See also coating, pubescence. | |
| vexillate | aestivation | Having a larger member oriented more or less perpendicular to and folded about the others. | ||
| vexillum pl. vexilla | = banner, standard | STRUCTURE | The relatively large, erect adaxial (upper) petal in a papilionaceous corolla. | |
| V-form | arrangement | bundle scars | Disposed in an open-ended triangular pattern, like the letter V. | |
| villose | = shaggy, villous | pubescence | Bearing sparse, long, slender, soft, capillate trichomes that are not intertwined. See also villosulous. | |
| villosulous | pubescence | Finely villose (shaggy, villous). | ||
| villous | = shaggy, villose | pubescence | Bearing sparse, long, slender, soft, capillate trichomes that are not intertwined. See also villosulous. | |
| vine | > liana | nominative | plant | Perennial, with elongate, herbaceous or ligneous stems that are flexible at least initially and that clamber, climb or trail. |
| viny | > lianous | habit | plant | Having elongate, herbaceous or ligneous stems that are flexible at least initially and that clamber, climb or trail. |
| virgate | = wand-like | architecture | axis | Long, slender, unbranched, and more or less straight. |
| viscid 1 | < glutinous | coating | Of a sticky substance. |
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