Aquatic, Wetland and Invasive Plant Glossary
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Click one of the letters above to be taken to a page of all terms beginning with that letter.
- umbel search for term
- - n. (L. umbella, dim. of umbra shadel) an arrangement of flowers springing from a common center and forming a flat or rounded cluster.
- umbellate search for term
- - a., bearing umbels; consisting of umbels; forming an umbel or umbels.
- unisexual search for term
- - a. (L. unus, one; sexus, sex) of one or other sex, staminate or pistillate only, but not both.
- urceolate search for term
- - a. (L. urceolus, a pitcher) shaped like a pitcher or urn.
- utricle search for term
- - n. (L. utriculus, a little bag or bottle) an air bladder of aquatic plants; membranous indehiscent 1-celled fruit.