Author: Ridley.
Morphological description
Slender shrub  or tree , or climbing  plant (?), glabrous.
Leaves  3- or 4-foliolate, petiole  and rachis  up to 14 cm long, glabrous; petiolules  c. 5 mm long. Leaflets  broadly elliptic, 10-20 by 3.5-8 cm, coriaceous, shortly blunt acuminate, base very shortly narrowed; nerves 6-10 per side (evansii Crudia pod/lf FT23).
Inflorescences  axillary, racemose, up to c. 5 cm long, the rachis scurfy-velvety, brownish; pedicels  very short, 1-2 mm, velvety.
Flower:  Calyx  lobes c. 4 mm long, velvety. Stamens  10, glabrous. Ovary  6-ovuled.
Pods  elliptic, 6-10 by 3.5-4 cm, acute at the apex, unequally rounded at the base, transversally veined, rusty-velvety (evansii Crudia pod/lf FT23 ).
Seeds  1 or 2, reniform, 3-4 by 2-3 cm, brown.
Distribution
Thailand (Peninsular); in Malesia:  Malay Peninsula (Pahang).
Habitat & Ecology
On limestone hill and in rain forest. Fl. June; fr. January, May.
Note 
On the field label of the type specimen this was distinctly recorded as 'climbing plant' by the collector J.H.N. Evans.