Senna divaricata

Primary tabs

Senna divaricata

Description

Shrub up to 5 m high. Leaves with 6-11 pairs of leaflets; petiole ribbed, 1-2 cm, glabrous to puberulous; rachis 5-8 cm, ribbed, thinly pilose with a 2 mm long, clavate gland between the lowermost pair of leaflets and a spindle-shaped gland between the uppermost pair and often gland-like hairs between the other leaflets. Stipules linear-falcate, 8-10 mm, pubescent. Sepals ovate-orbicular, glabrous, unequal, 2 outer only 1/3 of the 3 inner, 4-11 mm long. Petals yellow (orange brown in dried specimens), broadly ovate, short clawed, glabrous, unequal, 1.5-2.5 cm long. Stamens 10: 3 with filaments glabrous, 3 mm long and anthers curved, c. 10 mm with a 2 mm crest, opening by a single apical pore; 7 smaller with very short filaments and anthers slightly smaller, straight and without a pronounced crest, opening by two apical pores. Ovary subsessile, sparsely puberulous; style glabrous; stigma inconspicuous. Seeds 15-50, flattened, narrowly ovoid, c. 5 mm long.

Distribution

Asia-Tropical: Jawa (Jawa present); Lesser Sunda Is. (Bali present), Luzon present
Malesia: Java, Philippines (Luzon), Lesser Sunda Islands (Bali).

Citation

Miq. 1885 – In: Fl. Ind. Bat.: 97
Backer & Bakh.f 1964 – In: Fl. Java: 539
de Wit 1956: p. 242. – In: Webbia: f. 2
Rudd 1991 – In: Fl. Ceylon: 83.