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(Last Modified On 4/8/2013)
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(Last Modified On 4/8/2013)
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Genus
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Plumeria L.
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PlaceOfPublication
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Sp. P1. 209. 1753.
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Description
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Trees, small, or shrubs, the stems corky and fistulose, lacticiferous. Leaves spi- ral or alternate, clustered at the ends of branches, non-glandular, pinnately nerved; petiolate or subsessile, glandular or non-glandular in the axils. Inflorescences corymbose to thyrsiform, sometimes fastigiately so, the secondary peduncles mostly terminal, frequently developed, few- to many-flowered. Flowers large and showy; calyx 5-lobed, the lobes equal to subequal, usually small, without squamellae; co- rolla salverform or sometimes subinfundibuliform, thick and waxy, white to red, without appendages, 5-lobed, sinistrorsely convolute; stamens 5, wholly included, attached near the base of the corolla tube, the anthers not connivent and not ag- glutinated to the stigma, without an enlarged connective; gynoecium 2-carpellate, apocarpous, the ovary subinferior, the ovules numerous, without a nectary, the style 1, short, the stigma slenderly bicapitate, almost sessile. Fruit apocarpous, of 2 follicles, coriaceous or woody; seeds numerous, dry, flattened, winged basally, the wing large and irregular.
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Habit
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Trees, small, or shrubs
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Distribution
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A genus of about eight species in southern Mexico, Central America, the West Indies, and nothern South America.
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Reference
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Woodson, R. E., Jr. An evaluation of the genera Plumeria L. and Himatan- thus Willd. Ann. Missouri Bot. Gard. 25: 189-224. 1938.
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Key
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a. Leaves elongate-rhomboid .......................... 1. P. pudica aa. Leaves obovate to oblong-elliptic .......................... 2. P. rubra
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