Glossary: U
-
Udea profundalis
- False Celery Leaftier, photo ©John Davis, North American Moth Photographers Group.
- umbel
- An indeterminate inflorescence that has a greatly reduced central axis, such that the flowers appear to originate from the same point, usually resulting in a flat- or round-topped inflorescence, with a sequence of flowering from outside to inside.
-
umbellet
- A small umbel.
-
umbo
- A raised portion on the visible part of a scale of a seed cone.
- unarmed
- Without spines, prickles or thorns.
-
uncinate
- Hooked at the tip (as in a hair).
-
undulate
- Wavy-margined but without prominent teeth.
-
unisexual
- A flower that bears only carpels or stamens.
- UPL
- Obligate Upland: plant may occur in wetlands outside of New England, but occurs almost always in non-wetlands in New England (probability > 99%).
- Upland
- Almost never occurs in wetlands.
-
urceolate
- Urn-shaped.
-
utricle
- A specialize type of achene that is a small, thin-walled, one-seeded, inflated fruit.
