Antidesma nigricans Tul. in Ann. Sci. Nat. Bot., Ser. III. 15: 225. 1851; Hook.f., Fl. Brit. India 5: 360, 365. 1887; Kanjilal et al., Fl. Assam 4: 167. 1940, p. p. A. oblongatum Müll.Arg. in DC., Prodr. 15(2): 254. 1866; Hook.f., l. c. 365. 1887.

Shrubs, 1 - 2 m high; branchlets tomentellous, glabrous in age. Leaves oblong to oblonglanceolate or often oblong-elliptic to obovate-elliptic, acute, obtuse to rounded at base, caudate or acuminate at apex, 6.5 - 18 x 3 - 7 cm, chartaceous to thinly coriaceous, tomentellous or puberulous on midrib above, sparsely pilose on midrib and often on lateral nerves beneath,occasionally glossy; lateral nerves 6 - 13 pairs; petioles 2 - 6 x 1 - 2 mm; stipules linear-lanceolate, 3 – 5 x 0.5 – 1 mm, deciduous. Male inflorescences terminal and axillary, 3 or 4 together, simple, slender, 1 - 3 cm long; pedicels ca 1 mm long; calyx ca 0.5 x 1 mm; lobes 4 or 5, deltoid-acuminate, deep; disc depressed-globose, unlobed, entire; stamens 3 or 4, ca 1 mm long; filaments inserted in pits of the disc; anther-thecae ca 0.3 mm across. Female inflorescences terminal and axillary, usually simple, often 1 or 2 branched, 2 - 8 cm long; pedicels 1 - 1.5 mm long; calyx ca 1 x 2 mm; lobes 4, deep, triangular; ovary obliquely ellipsoid, ca 1.6 x 1.2 mm, sparsely puberulous or often glabrous; styles lateral, ca 1.2 mm long, stout, reflexed. Fruits obliquely and broadly oblongellipsoid, or suborbicular, compressed, 5 - 7 x 4 - 5 mm, glabrous, alveolate; style subterminal to lateral; pedicels 2 - 3 mm long.

Fl. & Fr. Jan. - Oct.

Distrib. India: Rare, in primary forests or forest floors amidst bamboo or along streambanks, on wet alluvial soil or moist soil, between 250 and 1500 m altitudes. Arunachal Pradesh, Assam, Meghalaya, Nagaland and Mizoram.

Bangladesh and Myanmar.