Sindora velutina
Description
Tree 15-37.5(-54) m high and 18-79(-95) cm in diam.; butresses very short.
Leaves (3-)5- or 6- (or 7-)jugate; petiole 2-3(-5) cm and rachis 5-16(-22.5) cm long, both tawny woolly or densely tomentose when young and later thinner.
Stipules lanceolate, c. 8 mm long, densely hirsute outside, glabrous inside, caducous.
Inflorescences paniculate, up to 11(-20) cm long, lateral branches up to c. 3 cm long, compactly flowered, both rachis and branches densely brown hirsute; bracts lanceolate, c. 3 by 1.5 mm, densely appressed hirsute outside; bracteoles resembling bracts but about half the length; pedicels very short, densely hirsute.
Petal narrowly lanceolate, 10-12 mm long, densely woolly outside, glabrous inside.
Stamens: united basal parts of filaments very short; free filaments and staminodes up to c. 1.5 cm, hirsute towards the lower 1/2-1/3; perfect anthers 2 (biggest), 3.5-4 mm, the others (much) smaller.
Ovary sessile, rhomboid, c. 3 by 2.5 mm, woolly; style up to c. 1.5 cm, glabrous; stigma capitate.
Seeds irregularly ovoid, 1.6-2.2 cm both long and wide, flattened, smooth, purple-black, almost glossy, on top of an aril longer than wide (c. 2.6 cm wide).
Distribution
Asia-Tropical: Borneo (Kalimantan present, Sabah present, Sarawak present); Malaya (Peninsular Malaysia present), Palembang present, Riau present
Malesia: Sumatra (Riau, Palembang), Malay Peninsula, Borneo (Sarawak, Sabah, Kalimantan).
Morphology
Plants of Sindora velutina can be easily recognized by the densely rusty pubescent, tomentose, or woolly branchlets, axis of the inflorescences or infructescences, and undersurfaces of leaflets, as alluded by the specific epithet. Mature pods bear short spines.