Várzea
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A Portuguese term referring to forest growing in areas periodically indundated by alkaline, café au lait-colored water (also called white water). |
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Várzea
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A Portuguese term referring to forest growing in areas periodically indundated by alkaline, café au lait-colored water (also called white water). Do not confuse white-water with rapidly flowing water of rapids and waterfalls. See Prance (1979) for more information about forests subjected to inundation in Amazonia. |
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Vascular
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Referring to the xylem and phloem. |
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Vascular bundle
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In the angiosperms, separate strands of phloem and xylem cells that transport water and nutrients to the leaves and photosynthate (carbohydrates produced by photosynthesis) to other parts of the plant. |
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Vascular trace
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That part of a vascular bundle extending from the vascular cylinder of the stem into the base of the leaf. |
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Vegetative
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The reproductive parts of a plant, e.g., the leaves, stems, and roots. |
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Vegetative reproduction
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Referring to non-sexual reproduction, by ramets developing from stolons, sprouts from rhizomes, budding from the leaves, tubers, or bulblets. |
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Veinlet
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See venule. |
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Velamen
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A spongy covering of one or two layers of cells derived from the epidermis and surrounding the roots of Orchidaceae and Araceae. The velamen is usually white and functions to absorb mineral-rich water when it rains. |
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Velum
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Membranous flap of tissue; in Siparuna (Siparunaceae), a perforated flap of tissue at the apex of the flower. |
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Velutinous
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Velvety; covered with short, soft, spreading hairs. |
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Venation
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The network or pattern of vascular tissue (veins) in a leaf or other organ. |
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Ventral
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See adaxial. |
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Ventricose
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Inflated or swollen on one side. |
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Venule
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The ultimate division of the venation of a leaf blade. |
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Vermiform
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Wormlike. |
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Vernation
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The arrangement of leaves in the bud. |
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Verrucose
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Warty. |
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Versátil
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Término que se aplica a la antera cuyo punto de inserción con el filamento es en la parte dorsal y más arriba de la base, de modo que se puede mover |
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Versatile anther
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A stamen in which the filament is attached to the anther above the base of the anther. |
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Verticil
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A whorl of structures; e.g., leaves or bracts. |
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Verticilada
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Se refiere cuando tres o más órganos se encuentran dispuestos en el mismo plano e insertos en un mismo nudo alrededor de un tallo; por ejemplo, a las hojas en un tallo. Comparar con alterna y opuesta |
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Verticillaster
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A pair of cymes arising from the axils of opposite leaves or bracts such that they falsely appear to be in a verticil; e.g., in some Acanthaceae and Lamiaceae. |
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Verticillate
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Arising from an axis in groups of more than two at the same node; e.g., leaves along a stem or flowers along a rachis. Same as whorled. Compare with alternate and opposite. |
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Very narrowly elliptic
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Referring to a two-dimensional shape with the widest point at the middle and tlength to width ratio of 6:1 or more. |
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