Sindora affinis

Author: de Wit

Morphological description
Tree up to 35 m high and 60 cm in diameter. Stipules caducous, not seen.

Leaves (affinis Sindora TYPE detail )paripinnate, (3)4 or 5(6)-jugate; petiole 1.5-3(-5) cm and rachis 4-14 cm long, slightly puberulous, glabrescent, or almost glabrous; petiolules very short, up to c. 3 mm, minutely puberulous, glabrescent. Leaflets firmly coriaceous, oblong or oblong-elliptic, elliptic, or ovate, 2.5 -8(-9.5) by 2-4(-5) cm; apex shortly acuminate or acuminate; base rotundate, often symmetric; glossy and often almost glabrous on both surfaces, except sparsely hairy on the midrib of lower surface.

Inflorescences paniculate, 9-20 cm long, lateral branches up to 5 cm long, both rachis and branches densely tawny puberulous, moderately flowered; bracts and bracteoles lanceolate, 3-4 mm long, densely puberulous; pedicels 1-3(-5) mm, densely puberulous.

Flower: Calyx lobes 4, elliptic or lanceolate, 7-10 by 3-5 mm, densely puberulous outside and appressed hairy inside. Petal 1, elliptic, 8 by 2-3 mm, fleshy; outside densely puberulous and inside glabrous, margin villose. Stamens: 10 (9+1), free filaments and staminodes up to c. 12 mm, sparsely hairy often at the lower part or at base, or glabrous; 2 largest anthers ellipsoid, c. 2 mm long, the others (much) smaller, up to 0.75 mm long. Ovary subsessile or very shortly stiped, ovate-rhomboid, c. 2 mm long, densely woolly, 5- or 6-ovuled; style up to c. 15 mm, glabrous; stigma small.

Pods (young) ellipsoid, slightly asymmetric, 5-8.5 by 3-4.5 cm, flattened, slightly minutely hairy, not veined, with scattered, very short spines, beak very short.

Seeds only very young ones seen.

Malesia: Borneo (Sabah, Kalimantan).

Habitat & Ecology
Lowland forest, growing in not inundated areas in sandy or clayey soils, once found in loamsoil on sandstone, up to 60 m altitude Flowering in April, July; fruiting in May.