Log In
New Account
Sitemap
Home
Specimen Search
Search Collections
Map Search
Exsiccati Search
Images
Browse
Search
Flora Projects
State Inventories
Indiana
Ohio
Wisconsin
Aquatic Invasive Plant Guide
Interactive Tools
Dynamic Checklist
Dynamic Key
Crowdsource
Zannichelliaceae
Images
not available
FNA
Resources
Robert R. Haynes; C. Barre Hellquist in Flora of North America (vol. 22)
Herbs, annual [perennial], not rhizomatous, caulescent; turions absent. Leaves alternate, opposite, or pseudowhorled, often all on same plant, submersed, sessile; sheath not persisting longer than blade, not leaving circular scar when shed, ligulate, not auriculate; blade linear; intravaginal squamules scales, 2. Inflorescences axillary, cymes, without subtending spathe, sessile. Flowers uniasexual, staminate and pistillate flowers on same plant; subtending bracts absent; perianth absent. Staminate flowers: stamens 1; anther dehiscing longitudinally; pollen globose. Pistillate flowers: pistils (1--)4--5(--8), distinct, short-stipitate; ovules pendulous, anatropous. Fruits drupaceous. Seeds 1; embryo curved.
Powered by
Symbiota