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Project Name Data (Last Modified On 5/30/2013)

Flora Data (Last Modified On 5/30/2013)
Species Calotropis procera (Ait.) Ait. f.
PlaceOfPublication Hort. Kew., ed. 2. 2: 78. 1811.
Synonym Asclepias procera Ait., Hort. Kew., ed. 1. 2: 305. 1789. TYPE: (not seen).
Description Coarse erect herbs or subshrubs to 2 m or more high; stems glaucous, with age developing thick corky, deeply furrowed bark. Leaves glaucous, ovate to nearly orbicular, sessile or nearly so, apically acute, basally cordate, 10-30 cm long and 8-20 cm broad. Inflorescences branched umbelliform cymes, many flowered. Flowers with calyx lobes ovate-triangular, 5-6 mm long and 3-4 mm wide; corolla shallowly campanulate to nearly rotate, ca. 2.5 cm in diameter, lobed to about the middle, the lobes triangular, 9-11 mm long and 7-9 mm wide, greenish outside, whitish inside with the lobes usually purple tipped. Follicles short and broad, 5-7 cm long and 3-4 cm wide.
Habit herbs or subshrubs
Note Native to Asia, C. procera has long been naturalized in the West Indies and along the east coast of South America. Relatively few collections have been seen from Central America, these from Guatemala, Honduras, El Salvador, and Panama. The fruits are reputedly extremely toxic.
Distribution Native to Asia
Specimen LOS SANTOS: Monagre Beach road, ca. 5 mi. SE of Los Santos, Lewis et al. 1683 (F, MO). PANAMA: Taboga Island, D'Arcy & D'Arcy 6802 (MO).
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