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Project Name Data (Last Modified On 4/8/2013)
 

Flora Data (Last Modified On 4/8/2013)
Genus Aspidosperma Mart. & Zucc. in Mart.
PlaceOfPublication Nov. Gen. & Sp. 1: 57. 1824.
Synonym Cufodontia Woodson, Arch. Bot. Sist. 10: 39. 1934.
Description Trees or shrubs, lacticiferous, the latex white or reddish. Leaves alternate, rarely opposite and decussate, or ternate, non-glandular, pinnately-nerved; mostly petiolate. Inflorescences cymose to aggregate dichasial and thyrsiform, axillary or terminal, sometimes extra-axillary, the secondary peduncles frequently fascicu- late in umbell-like form. Flowers small- to medium-sized; calyx 5-lobed, the lobes equal to conspicuously unequal, or rarely 4-lobed with the 2 outermost lobes con- nate and the 2 inner lobes free and included, without squamellae within; corolla salverform, tubular-salverform or tubular, the tube straight or inflated, ,terete or callose-angulate, the limb 5-lobed, sinistrorsely convolute; stamens 5, inserted midway or higher in the corolla tube, filamented, the anthers free and not agglu- tinated to the stigma, without an enlarged connective; gynoecium 2-carpellate, apocarpous, the ovary superior, the ovules numerous, rarely reduced to 2, with or without a low annular nectary, the style 1, the stigma ? clavate to subcapitate. Fruit apocarpous, of 2 follicles, + woody, mostly compressed, rarely cylindroid; seeds numerous, rarely reduced to 2, compressed, peltate, winged, the wing con- centric or eccentric.
Habit Trees or shrubs
Distribution About 50 species in Mexico, Central America, Hispaniola and Trinidad, and most of South America.
Reference Woodson, R. E., Jr. Studies in the Apocynaceae. VIII. An interim revision of the genus Aspidosperma Mart. & Zucc. Ann. Missouri Bot. Gard. 38: 119- 206. 1951.
Key a. Corolla tube strongly callose-angulate, the lobes -tightly spirally-contorted in bud ..................................................... 1. A. megalocarpon aa. Corolla tube essentially terete, the lobes erect or loosely spiral in bud.... 2. A. darienense
 
 
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