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Project Name Data (Last Modified On 9/18/2013)
 

Flora Data (Last Modified On 9/18/2013)
Genus Spermacoce L.
PlaceOfPublication Sp. P1. 102. 1753
Note LECTOTYPE: S. tenuior L.
Description Herbs, annual or perennial, the stems angled. Leaves linear or narrowly lan- ceolate; petioles short; stipules united to the petioles, the sheath with few to
Habit Herbs
Description numerous slender appendages. Inflorescences axillary, sessile, the flowers glo- merulate; bracts setaceous and filiform, subtending the inflorescences. Flowers small, the calycine cup scarcely measurable, the calycine lobes 4; corolla white or lavender, hypocrateriform to infundibuliform, the lobes 4, valvate; stamens 4, affixed variously in the corolla tube; stigmas connate or distinct. Fruits dry, the mericarps 2, unequal, each with a single seed, the smaller mericarp opening, the larger remaining closed; calyx persistent; seeds oblong.
Note a genus of about 100 species,
Distribution occurs in the tropics of the New World and the Old World.
Note Few collections have been made in Panama.
Reference Rendle, A. B. 1934. Linnaean species of Spermacoce. J. Bot. 72: 329. Rendle, A. B. 1936. Spermacoce remota Lam. J. Bot. 74: 10. Steyermark, J. 1972. Borreria. The botany of the Guayana Highland. Mem. New York Bot. Gard. 23: 813-814.
Key a. Leaves scabrous above; calyx lobes ciliate; fruits pubescent ...... 1. S. confusa aa. Leaves glabrous above; calyx lobes glabrous on the margins; fruits glabrous ...... 2. S. tenuior
 
 
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