Crassula undulata Haw.

Perennial shrublets up to 0.4 m high, often much branched, branches covered with recurved hairs at least when young, old leaves not deciduous. Leaves oblong-elliptic to rarely ovate, (5-)8-15(-35) x 4-13(-15) mm, obtuse, dorsiventrally flattened to slightly convex on lower surface, glabrous except for near-spherical cilia, green to yellowish green or sometimes tinged red. Inflorescence a flat to round-topped thyrse with few to many dichasia, without distinct peduncle. Calyx: lobes triangular to lanceolate, 3-4 mm long, sharply acute and often terminating in a point, usually glabrous, fleshy, green. Corolla tubular, fused at base for 1-1.3 mm, white often tinged red or pink; lobes oblanceolate-oblong, 6-8 mm long, acute, with dorsal appendage, strongly recurved or reflexed. Stamens with brown anthers. Squamae transversely oblong, 0.2-0.3 x 0.5-0.6 mm, truncate or slightly emarginate, scarcely constricted downwards, somewhat fleshy, yellow. Flowering period: (October) November-February.