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Key to families | Table of families and genera
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 |
Annual, perennial herb from caudices, corms, stolons, rhizomes, or tubers, aquatic (± emergent or on mud); roots fibrous, septate or not; monoecious, dioecious, or flowers bisexual. Stem: caudex short. Leaf: basal, simple, palmately veined, floating or not; submersed generally linear to ovate; emergent linear to sagittate. Inflorescence: generally scapose, umbel-, raceme-, or panicle-like; flowers, branches whorled. Flower: radial; sepals 3, generally green, generally persistent; petals 3, generally > sepals, white or pink; stamens 6–many; pistils 6–many, free or ± fused at base. Fruit: achene, generally compressed, beaked.
± 12 genera, 75–100 species: especially tropics, subtropics. [Haynes & Hellquist 2000 FNANM 22:7–25] —Scientific Editor: Thomas J. Rosatti.
Unabridged references: [Rogers 1983 J Arnold Arbor 64:383–420]
Key to Alismataceae
Annual, perennial herb; roots not septate; flowers bisexual. Leaf: petiole angled; blade linear to ovate, with [without] translucent dots or lines, base tapered to cordate. Inflorescence: axes generally angled; peduncle generally smooth. Flower: receptacle convex; sepals generally 2–6 mm, dark green; petals generally entire, white; stamens 9–15; pistils many, free, spiralled on convex receptacle. Fruit: body ± compressed, generally ribbed; beak terminal [lateral].
± 26 species: America, especially tropics. (Greek: spiny, leathery container, from fruit)
Unabridged references: [Haynes & Holm-Nielsen 1986 Brittonia 38:325–332]
Previous taxon: Damasonium californicum
Next taxon: Echinodorus berteroi
Citation for the whole project: Jepson Flora Project (eds.) 2013. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on Jan 30 2015
Citation for this treatment: [Author of taxon treatment] 2013. Echinodorus, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=11439, accessed on Jan 30 2015
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