Your help is appreciated.    We depend on donations to help keep this site free and up to date for you. Can you please help us?

Glossary: W

wanting
Absent or nearly so.
Watch List
An uncommon or possibly rare plant taxon, suspected of being in decline, but for which information is lacking.
wetlands
Land areas with soil that is saturated with water either permanently or seasonally.
whorled whorled
Referring to the arrangement of a node that bears 3 or more similar organs, such as leaves or flowers (compare with alternate, basal, opposite).
wing wing
A thin, flat projection from the side, top, or back of a structure such as a seed or flower; one of the 2 lateral petals in flowers of the Fabaceae (legume family); one of the 2 large, petaloid sepals in flowers of the Polygalaceae (milkwort family).
winter bud winter bud
The meristem (living undifferentiated cells) of branchlets and leaves during the dormant season; sometimes covered by one or more protective scales.
woody woody
Plants with secondary growth, with stems that thicken each year by adding new tissue. The outermost layer of the main stem consists of a hard, nonliving tissue called bark. The living parts of woody plants, such as the inner bark and buds, remain alive.