Duvalia corderoyi (Hook.F.) N.E.Br.

Dwarf succulent forming mat 40-300 mm diam. Stems 12-45 mm long, 12-25 mm thick, decumbent, short and nearly spherical, dark green to reddish; tubercles 3-5 mm long, conical, arranged into 5-6 rows along stem, tapering gradually into deltoid acute leaf-rudiment 1.0-1.5 mm long subtended by 2 glandular stipular denticles. Inflorescence arising near base of stem, of 1-4 flowers developing in gradual succession, with small bracts 1-2 mm long; pedicel 15-25 mm long, 1.5-2.0 mm thick, ascending to hold flower facing upwards; sepals 4-5 mm long, 1.0-1.5 mm broad at base. Corolla (25-)30-45 mm diam.; outside brownish cream; inside yellow-brown, red-brown to dark purple or greenish, often shiny on lobes; annulus 2.5-4.0 mm tall, 9-15 mm broad, ± circular, vertically sided, mottled with brown on cream on upper part and into tube, covered with slender pale hair-like papillae 2-4 mm long; lobes 12-16 mm long, 3-5 mm broad at base, folded along midrib for whole length (tightly towards tips) so narrowly lanceolate-acuminate, longitudinally faintly rugulose, glabrous except for purplish vibratile clavate cilia 2-4 mm long along margins for two thirds of length changing to short cylindrical hairs near base and in sinuses of lobes and towards tips. Corona 6-9 mm diam.; outer lobes forming circular to pentagonal disc spreading at or just inside mouth of tube, pinkish red to red-brown or purple; inner lobes 1 mm long, with ascending obtuse dorsal projection ±1.5 mm long, cream to reddish brown.