Glabrous or rarely the inflorescence shortly pale-tomentose. Leaves opposite or scattered, the normally developed ones sometimes alternating with cataphylls; lamina narrowly to broadly elliptic or ovate, 4-16 by 2-7 cm, cuneate to truncate at the base to a petiole (1—)3—10 mm long, usually acuminate and acute but sometimes obtuse or shortly rounded at the apex, lustrous above, dull below; venation pinnate with the midrib prominent and the main laterals faintly visible on both sides. Inflorescences at the nodes, a sometimes subumbellate or spicate raceme of 2-7 opposite pairs of flowers; axis slender, 5-20(-40) mm long, subtended at the base by an involucre of 1 or 2 pairs of small broadly triangular bracts; pedicels slender, 0-6 mm long.
Bird's Head Peninsula present, Southern Asia from the Himalayas eastwards to southern China and Indochina present
Southern Asia from the Himalayas eastwards to southern China and Indochina; Malesia: common and widespread from Peninsular Malaysia to New Guinea (Bird's Head Peninsula).
included in Macrosolen cochinchinensis all New Guinean specimens previously referred to M. suberosus. The latter name is now treated as conspecific with M. geminatus (see note there).