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(Last Modified On 4/10/2013)
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(Last Modified On 4/10/2013)
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Genus
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Odontadenia Benth.
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PlaceOfPublication
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Jour. Bot. (Hooker) 3: 242. 1841.
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Description
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Licanas, rarely becoming suberect, lacticiferous. Leaves opposite, sometimes alternate above, non-glandular, pinnately-nerved; petiolate, stipulate or estipulate. Inflorescences thyrisform to ? scorpioid, few- to many-flowered, axillary and oppo- site, or terminal. Flowers mostly showy; calyx 5-lobed, the lobes ? equal to con- spicuously unequal, bearing few to many alternate or indefinitely distributed squamellae within; corolla infundibuliform to salverform, without appendages, the limb 5-lobed, the lobes dextrorsely convolute; stamens 5, + included, the anthers connivant and agglutinated to the stigma, with an enlarged connective, characterized by a vertical crest; gynoecium 2-carpellate, apocarpous, the ovary superior, the ovules many, the nectaries 5, connate basally, rarely ? separate, the style 1, the stigma fusiform, subcapitate, or 5-digitate. Fruit apocarpous, of 2 follicles, terete or compressed; seeds many, dry, truncate, comose apically.
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Distribution
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A genus of about 26 species centering in Brazil and Peru, but found in most of tropical America.
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Reference
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Woodson, R. E., Jr. Odontadenia. Pp. 270-306 in "The American genera of Echitoideae." Ann. Missouri Bot. Gard. 22: 153-306. 1935.
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Key
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a. Stipules broadly ovate, ca. 2-3 mm long; calyx lobes unequal ...... 1. 0. puncticulosa aa. Stipules apparently absent, or greatly reduced; calyx lobes ? equal .. . .2. 0. grandiflora
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