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Key to families | Table of families and genera
Indexes to all accepted names and synonyms:
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Perennial herb, glabrous; monoecious; rhizomes or stolons long; colonial, in wet soil to aquatic. Stem: aerial stem 1, ± cylindric. Leaf: basal and cauline, alternate, 2-ranked, spongy; sheath open; ligule 0; blade ± linear. Inflorescence: spike-like or of spheric, unisexual heads; staminate flowers or heads distal to pistillate ones. Flower: small, densely-packed. Staminate flower: filaments fused proximally. Pistillate flower: pistil 1, ovary superior, ovules 1–2(4). Fruit: follicle, splitting in water, or drupe-like.
2 genera, ± 32 species: worldwide. —Scientific Editors: Douglas H. Goldman, Bruce G. Baldwin.
Key to Typhaceae
Plants generally submerged except inflorescence, or vegetative when all-submerged (emergent to ± terrestrial); rhizomes, stolons slender. Stem: unbranched proximal to inflorescence. Leaf: blade flat to convex, 3-sided, or abaxially keeled. Inflorescence: heads axillary and terminal, 2–60+; bracts leaf-like, distal reduced. Staminate flower: stamens 2–8. Pistillate flower: ovary chambers 1–2(4), stigmas generally 1(2–4). Fruit: drupe-like, spongy; perianth parts attached, style and generally stigmas persistent as beak; floating, water-dispersed.Key to Sparganium
± 17 species: northern temperate, western Pacific. (Probably Greek: swaddling band, for strap-shaped leaves) [Kaul 2000 FNANM 22:271–277] Fruit head diam including fruit beaks; fruit body lengths except beak, stalk-like base; beak lengths including stigmas.
Unabridged references: [Cook & Nicholls 1986 Bot Helv 96:213–267, 1987 Bot Helv 97:1–44]
Previous taxon: Typhaceae
Next taxon: Sparganium angustifolium
Citation for the whole project: Jepson Flora Project (eds.) 2013. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on Jul 27 2015
Citation for this treatment: [Author of taxon treatment] 2013. Sparganium, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=10817, accessed on Jul 27 2015
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