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Project Name Data (Last Modified On 5/8/2013)
 

Flora Data (Last Modified On 5/8/2013)
Genus Stylogyne A. DC.
PlaceOfPublication Ann. Sci. Nat. Bot., Ser. 2. 16: 78. 1841.
Description Shrubs or trees, glabrous or nearly so. Leaves alternate, petiolate. Inflo- rescences paniculate, terminal or axillary. Flowers unisexual or bisexual, small, umbellate or subcorymbose, pedicellate, usually white, (4-)5-merous; sepals dextrorsely contorted in bud, free or short-connate basally, punctate or lineate; petals short-connate basally, dextrorsely contorted in bud, commonly lineate; stamens usually shorter than the petals, the filaments slender, the anthers elongate, subsagittate basally, dorsifixed or basifixed, usually dehiscent by introrse slits; ovary ovoid in carpellate flowers, with the slender style sub- equaling or exceeding the stamens, abortive in staminate flowers, with the short style less than 1 mm long; placenta with 3-5 uniseriate ovules. Fruit drupaceous, 1-seeded, the endocarp crustaceous or osseous; seed globose or depressed, the endosperm corneous, excavate, not ruminate, the embryo trans- verse, elongate.
Distribution A difficult genus of perhaps 60 dioecious species in tropical America, ranging from Mexico and the West Indies into South America, where it is most abundantly represented.
Key a. Leaves membranaceous, strongly-veined, sub-bullate above, the primary lateral nerves 11-15 pairs, prominent and sharply reticulate beneath; branchlets minutely puberulent .......... 1. S. hayesii aa. Leaves chartaceous to subcoriaceous, the veins slender and inconspicuous; branchlets glabrous. b. Inflorescences terminal; leaves elliptic or obovate-elliptic; stamens included, shorter than the petals ............. 2. . S. turbaceusis bb. Inflorescences axillary; leaves lanceolate, lanceolate-oblong, or rarely oblanceolate; stamens exserted, to 6 mm long, longer than the petals ...... 3. S. standleyi
 
 
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