Diagnostic DescriptionRead full entry
Funastrum clausum (Jacq.) Schltr., Repert. Spec. Nov. Regni Veg. 13: 283. 1914.
Basionym: Asclepias clausa Jacq.
Synonym: Sarcostemma clausum (Jacq.) Schult.
Herbaceous vine, twining, 4-5 m in length, with abundant milky latex. Stems cylindrical, glabrous, slender. Leaves opposite; blades 3-6 × 0.8-2 cm, elliptical or elliptic-lanceolate, the apex obtuse with a small, tapering point, the base obtuse or rounded, the margins entire; upper surface puberulous, with a prominent midvein, with a pair of triangular glands at the union with the petiole; lower surface pale green, dull, puberulous, with a prominent midvein; petioles 0.5-3 mm long, pubescent; stipules triangular, minute. Flowers numerous (10-20), arranged in umbelliform cymes; peduncle 4-12 cm long; pedicels 1-2 cm long, pubescent. Calyx green, the sepals triangular, pubescent on the outer surface, ca. 3 mm long; corolla rotate, white, pubescent outside, the lobes ovate, ca. 7 mm long; corona of oblongobovoid vescicles, white. Follicles cylindrical, 5-8 × 1 cm.
Phenology: Flowering from January to October and fruiting from November to January.
Status: Exotic, cultivated, although uncommon in the Virgin Islands.