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| Jepson eFlora: Taxon page
Key to families | Table of families and genera |
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Indexes to all accepted names and synonyms: | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | |
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[Annual] per from slender, creeping rhizome, glabrous, aquatic, submersed; monoecious.
Stem: thread-like, weak.
Leaf: alternate to ± whorled, linear; stipules fused to blade or free, sheath-like.
Inflorescence: axillary, generally ± cyme, sessile, bract 1, cup-like; staminate flowers below pistillate.
Flower: unisexual [ bisexual].
Staminate flower: perianth parts 0 (or 3, minute, scale-like); stamens 1 (or possibly 2–3 but then united, appearing as 1).
Pistillate flower: perianth parts 0; pistils (1)4–5(9), ovaries superior, 1-chambered, 1-ovuled, 1-styled.
Fruit: achene-like drupe.
4 genera, 10–12 species: ± worldwide. [Haynes & Hellquist 2000 FNANM 22:84–85] —Scientific Editor: Thomas J. Rosatti.
Previous taxon: Typha latifolia
Next taxon: Zannichellia
Citation for the whole project: Jepson Flora Project (eds.) [year] Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html [accessed on month, day, year]
Citation for an individual treatment: [Author of taxon treatment] [year]. [Taxon name] in Jepson Flora Project (eds.) Jepson eFlora, [URL for treatment]. Accessed on [month, day, year].
Copyright © 2012 Regents of the University of California
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