Trichostigma octandrum

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Trichostigma octandrum

Description

Woody shrub or liana to 10 m; bark greyish-purple. Branches long, slender, minutely puberulent. Leaves oblong, elliptical or lanceolate (rarely ovate), 5-15 x 2-6 cm, acute or acuminate at apex, cuneate to acute or rounded at base; petiole canaliculate, sparsely pubescent, 1-3.7 cm long, glabrous, base of petiole persistent, peg-like on old stems. Inflorescence a laxly to rather densely many-flowered raceme to 13 cm long, often pseudo-axillary on very short, leafless shoots; pedicels 3-10 mm long; bracts lance-linear, 1-2 mm long, deciduous; bracteoles 2, scale-like, triangular, ca. 0.5 mm long, immediately below perianth. Tepals ovate or obovate, 3-5 x 2.5-3 mm, concave, obtuse, greenish-white or white in flower, turning red, purple or purplish-pink in fruit; stamens 8-12, free, anthers basally sagittate and deeply incised at apex; ovary subglobose, glabrous, style very short, stigma 1. Fruit subglobose, 4.5-5.5 mm wide, red, purple, black or brown; seed black, shining, 4-6 mm.

Distribution

French Guiana present, Guyana present, New World tropics present, Southern America, southern Brazil present, southern Florida present
New World tropics, from southern Florida and West Indies, to southern Brazil; in Guyana and French Guiana (see note); 55 collections studied (GU: 3).

Wood

Woody shrub or liana ;1
1. 001

Notes

Lemée (1955), cites from French Guiana an Aublet specimen in the Denaiffe Herbarium, described by under Rivina octandra.