Jepson Flora Project: Jepson Interchange    

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Jepson Interchange (more information)
©Copyright 1993 by the Regents of the University of California
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Robert F. Thorne

Perennial from corm or short, thick rhizome, aquatic, glabrous
Leaves simple, basal, generally submersed, petioled; blade expanded or not (if floating, blade elliptic to lanceolate)
Inflorescence: generally spike, terminal; branches 2–3(10), scapose above water, subtended by conspicuous, deciduous bract
Flower generally bisexual; perianth parts 0–6, generally petal-like; stamens 6 in 2 whorls or many; pistils generally 3–6, fused ± 1/2–2/3 length, simple above, separating in fruit, ovary superior, chamber 1, ovules 1–8, style short, stigmatic surface grooved
Fruit: follicles, leathery
Seeds several; embryo straight
Genera in family: 1 genus, ± 40 species: tropical Asia to Australia, s Africa.
Retrieve key for APONOGETONACEAE
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