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Project Name Data (Last Modified On 1/22/2013)
 

Flora Data (Last Modified On 1/22/2013)
Species URERA CARACASANA (Jacq.) Griseb.
PlaceOfPublication Fl. Brit. W. Ind. 154. 1859.
Synonym Urtica caracasana Jacq. Hort. Schoenbr. 3:71. pI. 396. 1798. Urtica verrucosa Liebm. in Vidensk. Selsk. Skr. V. 2:295. 1851. Urera jacquini Wedd. in Ann. Sci. Nat. III. 18:200. 1852.
Description Shrub or small tree, 2-10 m. high, with elongate branches, the young twigs, petioles, inflorescence, and leaf nerves usually armed with stinging hairs; leaves broadly ovate to ovate-lanceolate, up to 30 cm. long and 25 cm. wide, acuminate, cordate or cordulate at the base (basal lobes sometimes overlapping), crenate- dentate, scabrous, sometimes verrucose, above, more or less pubescent beneath; plants dioecious, the cymes regularly dichotomous; staminate flowers sessile in distinct, compact glomerules; pistillate flowers sessile or pedicillate in compact glomerules (rachis and segments sometimes becoming enlarged), the segments usually densely covered with white, punctiform cystoliths; achenes 0.5-1 mm. long.
Habit Shrub tree
Distribution Widely distributed in continental tropical America
Elevation sea level to 2000 m.
Note he species is here interpreted in a very broad sense, and the specimens cited show considerable variation in shape and texture of the leaves, presence or absence and nature of the foliar cystoliths, degree of pubescence, arrangement of the flowers, and size of the achenes. The American species of Urera are greatly in need of taxonomic revision.
Specimen BOCAS DEL TORO: Changuinola Valley, Dunlap I74; Nievecita, Woodson, Allen & Seibert I849; Darkland, von Wedel I; Water Valley, von Wedel 686. CANAL ZONE: Mamei Hill, Pittier 3804. CHIRIQUI: Puerto Armuelles, Woodson & Schery 863; between Paso Ancho and Monte Lirio, upper Rio Chiriqui Viejo valley, Allen I47I (variant de- scribed as Urtica verrucosa Liebm.); Cerro Galera Chorcha, near Gualaca, Allen S063; Bajo Chorro Boquete District, Davidson 349. COLON: Rio Fato, Pittier 3899. DARIEN: Boca de Cupe, Allen 9II, R. S. Williams 7i6; Cana, R. S. Williams 8I5; Yape, Allen 855; headwaters of Rio Chico, Allen 4592. PANAMA: Juan Diaz, Standley 30487; Arenoso, lower Rio Trinidad, Seibert 608.
 
 
 
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