Tree, 3-15 m high, dbh 3-12 cm; Branchlets crispy hirsute especially when young; Leaves l-3(-4)-jugate; Inflorescences in upper leaf axils and pseudoterminal, rather slender, hirsute, up to 16.2 cm long, sometimes with a few up to 2.8 cm long branches; Flowers 2.1-A mm in diam.; Sepals del-tate, 1.5-3 by 1-1.8 mm, sericeous, green. Petals obovate, white, blade rhombic, 1.3-2.5 by 1-2 mm, claw 0.5-1.3 mm high, rather slender, margin au-riculate between claw and blade, apex rounded, outside and inside basally sericeous; Stamens: Fruits seen immature, red, winged, gla-brescent; Seeds seen immature, obovoid.
Asia-Tropical, E Highlands present, Morobe Prov present, Papua New Guinea present, S Highlands present, W Highlands present, W Sepik present
Malesia: Papua New Guinea (W Sepik, W Highlands, S Highlands, E Highlands, and Morobe Prov.).
Sarcopteryx rigida differs from S. brachyphylla in having petal scales without or with a small crest only and a smaller fruit with a short stipe.