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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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Free-floating aquatic; roots 0.
Stem: horizontal.
Leaf: in groups of 3 along stem, each group of 2 floating leaves, 1 submersed; floating leaves simple, ± sessile or short-petioled, generally ovate to cordate, entire, notched at tip or not, green, hairy, hairs water-repellent on upper face; submersed leaf dissected, root-like, generally petioled, ± white, hairy.
Sporangia: in ± spheric, indehiscent cases of 2 kinds, submersed, on axes in chain-like arrangements or on leaves.
Male sporangium case: few to many; sporangia many per case; spores 32 or 64 per sporangium, spheric, in hard mass.
Female sporangium case: 1–few, basal; sporangia few per case; spore 1 per sporangium, spheric.
1 genus, ± 10 species: ± worldwide, generally tropics. Closest relatives of Azollaceae. In CA, probably all are escapes from cultivation, aquaria, reproducing vegetatively (fertile material documented in CA only for Salvinia minima). —Scientific Editor: Thomas J. Rosatti.
Previous taxon: Pteris vittata
Next taxon: Salvinia
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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