Ceropegia cathcartensis (R.A.Dyer) Bruyns

Perennial herb. Tuber 40-50 mm diam., depressed from above, rounded below. Stems 1-few, sparsely branched from near base, up to 50-70 mm (150 mm in cultivation) high, erect and later spreading, minutely scabrid. Leaves lanceolate to linear-lanceolate, up to 25 mm long, tapered into a short petiole, slightly folded upwards, thinly and minutely scabrid-pubescent on both surfaces. Flowers 1-2 together, extra-axillary, with putrid smell; pedicels up to 10 mm long. Sepals linear-lanceolate, ±5 mm long. Corolla 20-22 mm long, divided to about halfway, 10-ribbed, 5 ribs e x tending to tips of lobes and others to sinuses, glabrous or with scattered hairs on outer surface; tube sub-campanulate, ±9.5 mm long, broadening somewhat abruptly into the upper portion and 18-20 mm across the rim, outside and inside with maroon markings becoming solid maroon within and with long hairs in upper half within and on base of lobes; lobes broadly triangular, 13 mm long, with margin slightly recurved and apex incurved, shortly ciliate towards sinuses with slightly swollen hairs, tips green and sometimes shortly hairy. Corona arising above base of staminal column, with saucer-shaped tube about 0.5 mm deep, forming 5 pockets with outer margin spreading 1-1.5 mm and bifid to about halfway and U-shaped at back of inner lobes; inner lobes arising from within tube, incumbent-erect, slightly thickened, spathulate-oblong, 2.5-3 mm long above staminal column. Pollinia subglobose, about 0.25 mm long, compressed, with narrow translucent inner margin attached by slender caudicles to narrowly winged carrier.