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(Last Modified On 7/31/2013)
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(Last Modified On 7/31/2013)
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Genus
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Cyclanthera Scbrad.
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PlaceOfPublication
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Ind. Sem. Hort. Gotting. 1831: 2. 1831.
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Note
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TYPE: C. pedata Schrad.
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Synonym
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Discanthera Torr. & Gray, Syn. Fl. N. Amer. 1: 696. 1840. TYPE: D. dissecta Torr. & Gray.
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Description
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Monoecious, tendriled vines; stems 5- to 10-sulcate. Leaves petiolate, simple to pedately 3- to 5-foliolate, with or without glands at base; tendrils simple or to 5-branched. Staminate flowers in racemes or narrow panicles, axillary; calyx cupulate, 5-lobate; corolla greenish-yellow or white, rotate, 5-lobate; stamen 1, the anther forming a capitate horizontal ring, the theca unilocular. Pistillate flowers solitary or few in same axils as the staminate flowers, but larger; ovary obliquely ovoid, rostrate, 1-3 carpellate, the style 1, the stigma subglobose. Fruit obliquely ovoid, often echinate, explosively dehiscent or indehiscent; seeds few to many, erect, ovoid to angular, somewhat compressed, the margin often appendaged, the testa rugose or smooth.
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Habit
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vines
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Distribution
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Cyclanthera is a genus of about 20 species distributed from southern United States to Argentina.
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Note
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Three species are reported from Panama. Two additional species are to be expected, both having been reported from adjacent Costa Rica and Colombia.
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Key
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a. Leaves 3- to 5-foliolate. b. Leaves distinctly 3-foliolate ...... 4. C. multifoliola bb. Leaves 5-foliolate (sometimes 3-foliolate and 5-segmented). c. Fruits 5-16 cm long, smooth or only slightly echinate, indehiscent ...... 5. C. pedata cc. Fruits 2.0-2.5 cm long, conspicuously echinate, explosively dehiscent ...... 1. C. dissecta aa. Leaves simple. d. Staminate inflorescences arising from the petiole at base of leaf blade ...... 2. C. dressleri dd. Staminate inflorescence arising from the axis of subtending leaf ...... 3. C. explodens
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