Aristolochia trilobata

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Aristolochia trilobata

Description

Vine; branchlets glabrous; pseudostipules leafy, rounded, about 1.5 cm in diam.Leaves: petiole glabrous, 1.5-3 cm long; blade 3-lobed, 5-9 x 6-10 cm, glabrous, shining above, pubescent beneath, lobes very variable in shape and size, middle one often diamond-shaped, lateral lobes often falciform, always pointing forward, apex rounded, base straight; venation pedate, submarginal at base. Flower axillary, solitary; pedicel about 4 cm long; ovary 2 cm long; perianth greenish yellow, dark red veined outside, glabrous; utricle ovoid, 4-5 x 4 cm, with basal, retrorse appendages, 3-4 mm long; tube cylindric, wide from the base, 4-5 x 1.5 cm; superior lobe ovoid, with a long apical filament of 10(+) cm long, inside whitish. Fruit 6 cm long, glabrous; seeds flat, as wide as long, ca. 6-7 mm.

Distribution

Argentina present, Caribbean Islands present, Southern America: Honduras (Honduras present)
Caribbean Islands and from Honduras to Argentina; 17 collections studied (GU: 8; SU: 1; FG: 3).

Common Name

Creole (French Guiana): Iiane trefle, feuille trefle, trefle; English (French Guiana): trefle cara'ibe

Uses

Cultivated in French Guiana as a medicinal plant (Moretti 104, 993) by the Creole population: leaves (or the caterpillars of Parides feeding on the flowers) are used to cure mosquito and snake bites, liver troubles, malaria.