Total Annual Benefits is the estimated dollar value of selected environmental benefits a tree provides each year, such as removing air pollution, reducing stormwater runoff, and sequestering carbon as it grows. This value is an annual estimate and is separate from the tree’s replacement or structural value. Ecosystem service estimates were generated using i-Tree Eco , a peer-reviewed urban forest assessment tool developed by the…
Arboretum Botanical Glossary
A botanical reference guide of morphological terms, plant structures, propagation techniques, and campus flora definitions.
368 Botanical Definitions
10 Categories
A–Z Alphabetical Index
Illustrated Growth Forms
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Explore terms organized by botanical structure, morphology, and arboricultural concepts.
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Letter: V
Showing definitions beginning with this letter.
Showing 8 definitions
Synonyms:
Valvate, Valvates, Valves
Valve One of the segments of a dehiscent fruit, separating from other such segments at maturity
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Varieties
Variety A subdivision of a species. This term helps classify plants so they can be identified and discussed clearly.
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Venations
Venation Pattern of veins. Botanists use this feature to describe leaf shape, surface, edge, or arrangement, which helps with plant identification. Did you know? Leaf venation patterns help separate monocots, which often have parallel veins, from dicots, which usually have branching veins.
Synonyms:
Ventrals
Ventral On the inward or front surface, as in the upper surface of a leaf.
Synonyms:
Verticillaster, Verticillasters, Verticillate, Verticillates, Verticils, Whorl, Whorled, Whorleds, Whorls
Verticil An arangement of similar parts around a central axis; a whorl
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Virgates
Virgate Straight, slender and erect. This feature helps describe plant form, function, or identification.
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Viscids
Viscid Sticky or gummy. This feature helps describe plant form, function, or identification. Did you know? Viscid plant surfaces can trap small insects, pollen, or debris because they are sticky.
