Knema mandaharan Warb.

Tree 10-25 m. Twigs (4-)5-8 mm diameter, at first with rusty felty hairs (0.5-) 1-1.5 mm long, ± easily rubbed off, glabrescent; bark striate or not, not or only occasionally tending to crack or flake. Leaves coriaceous, oblong to lanceolate, (15-)25-55 by (2.5-) 5-14 cm, base rounded to cordate, or sometimes attenuate, apex (long-)acute; glossy or bright brown above, lower surface glabrous, grey(-brown), or glaucous, not or but little papillate; dots absent; midrib stout, much raised above; nerves 14-40 pairs, distinct, little or much raised above; venation fine, faint or distinct; petiole late glabrescent, 15-20 by 5-8 mm. Inflorescences: sessile, brachyblast warted, 5-15 mm diameter; in male 2-10-flowered, female l-4(-8)-flowered; flowers with rusty persistent hairs 0.5-1 mm long; perianth (3-)4(-5)-lobed, red (?) inside. Male flowers: pedicel 3-6 mm long, brac-teole caducous, (sub)apical; buds obovoid, (3.5-)4-6 by (3.5-)4-5.5 mm, cleft 2/3 (-3/4), lobes 0.5-0.7 mm thick; the staminal disc circular, flat or slightly convex, or concave, 1.5-2.5 mm diameter; anthers 10-17, half-sessile to just stalked, 0.5-0.7 mm, oblique to nearly horizontal, not or but little touching; androphore tapering, 1-1.5 mm long. Female flowers: pedicel 4-7 mm long, bracteole submedian to apical; buds ellip-soid-obovoid, 8-10 by 5-6.5 mm, cleft c. 1/2, lobes 1-1.5 mm thick; ovary ovoid, 4 mm long; style to 1 mm long; stigma ± flat, 2-lobed and each lobe again with 8-10 linear lobelets. Fruits l-2(-4) per inflorescence, ovoid or ellipsoid, 3-6 by 2.5-3.8 cm, with dark brown hairs 1-2 mm long; dry pericarp 2-8 mm thick; fruiting pedicel 4-8 mm long.

It is a tropical plant. It grows in swamp forests between 100-1,800 m above sea level.