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(Last Modified On 9/25/2013)
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(Last Modified On 9/25/2013)
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Genus
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CYMBOSEMA Benth.
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Contributor
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W. G. D'Arcy
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PlaceOfPublication
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Bot. (Hooker) 2: 60. 1840.
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Note
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TYPE: C. roseum Benth.
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Description
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High climbing vines. Leaves pinnate trifoliolate, leaflets elliptical, pubescent, pinnately veined; stipels and stipules present. Inflorescence an elongate raceme, the peduncle and rachis both elongate, the pedicels short, 2-6 at a node; bracts ovate, clasping the calyx. Flowers narrow, the calyx cupular, 4-toothed, the teeth deltoid acuminate, mostly slightly shorter than the tube; corolla red, rarely violet, the standard slightly longer than the wings and the keel, the wings narrowly spathulate, minutely auriculate; stamens 10, diadelphous, the vexillary stamen free, the others basally united, anthers all alike; ovary villous, the style and the stigma glabrous. Legume oblong, slightly falcate, compressed, prominently beaked by the downcurved persistent style, pubescent; seeds 4-6, subglobose, shiny, the hilum linear along one edge.
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Habit
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vines
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Note
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This genus is distinct in the Panamanian flora in its short, oblong pods with prominent beak and in its narrow red flowers. It is hardly distinct, however, from Camptosema Hook. & Arn. (1832) of ultra Andean South America. Camptosema differs principally in the minute hilum on the seeds and longer pod. This is the same kind and degree of difference which separates Stizolobium from Mucuna. Cymbosema is monotypic ranging from southern Mexico to Peru while Camp- tosema includes about 15 species mostly to the south of the range of Cymbosema.
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Distribution
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ranging from southern Mexico to Peru
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Reference
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Maxwell, R. H. 1970. The genus Cymbosema (Leguminosae): notes and distri- bution. Ann. Missouri Bot. Gard. 57: 252-257.
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