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Key to families | Table of families and genera
Indexes to all accepted names and synonyms:
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Annual [(perennial herb)], submersed. Stem: generally many-branched, thread-like, rooting at lower nodes. Leaf: cauline, alternate to ± opposite, sessile, linear, < 10 cm, < 1 mm wide; stipules < 15 mm, ± completely fused to blade, sheath-like, ± open. Inflorescence: terminal, head-like spikes with subtending bract, < 20-flowered; peduncle elongating after flower [or not], coiling or not, ovary base elongating after fertilization, becoming stalk-like. Flower: bisexual, minute; perianth 0; stamens 2, anthers ± sessile; pistils (2)4(8), simple, ovule attached to chamber top, stigma sessile, peltate. Fruit: drupe, ± nut-like, stalk-like at base, beaked, ovoid-oblique.
1 genus, ± 10 species: ± worldwide. —Scientific Editor: Thomas J. Rosatti.
(H.B. Ruppius, German botanist, 1688–1719) [Haynes 2000 FNANM 22:75–76] 2 North American species ± indistinct; study needed.Key to Ruppia
Unabridged etymology: (Heinrich Bernhard Ruppius, German botanist, 1688–1719)
Unabridged references: [Haynes 2000 FNANM 22:75–76; Setchell 1946 Proc Calif Acad Sci 25:469–478]
2n=40. Freshwater marshes, ponds, sloughs; < 2045 m. North Coast, Inner North Coast Ranges, Tehachapi Mountain Area, San Joaquin Valley, Central Western California, South Coast, San Bernardino Mountains, Great Basin Floristic Province, Desert; to Alaska, east-central United States; ± worldwide. Apr–Jul [Online Interchange]
Previous taxon: Ruppia
Next taxon: Ruppia maritima
Citation for the whole project: Jepson Flora Project (eds.) 2013. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on Jul 31 2014
Citation for this treatment: [Author of taxon treatment] 2013. Ruppia, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=42449, accessed on Jul 31 2014
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