Desmidorchis
Desmidorchis Ehrenb., in Linnaea 4: 94 (1829).
Erect, massive stem-succulents, Latex clear or at most cloudy, Stems rounded to sharply 4-angled, smooth, Leaf rudiments spreading to slightly ascending, sessile, ovate, basally cordate or rounded, apically obtuse or acuminate, fleshy and caducuous or constituting thorns; stipules reduced to a few hairs, Inflorescences in terminal pseudo-umbels, 10–80(–200)-flowered, sub-sessile, Flowers open simultaneously, usually with dung-like odour, Corolla rotate or campanulate, fleshy, adaxial surfaces often warty or rugose, glabrous, papillose or with trichomes, green, yellow, brown or purple or patterned; corolla lobes triangular, ovate to lanceolate, occasionally ciliate; corolla tube flat, funnel-shaped, cup-shaped or campanulate, Gynostegium sub-sessile, concealed in corolla, Gynostegial corona in 2 series: “outer” corona of 5 staminal and 5 interstaminal parts fused to half of length, cyathiform, interstaminal corona subulate, bifid, spreading, occasionally with trichomes; “inner” staminal corona lobes triangular to subulate, inflexed Corolline corona absent, Pollinia globose, ovoid or D-shaped; caudicles rectangular, Mericarps two 10–15 cm long, narrowly fusiform or narrowly oblong, occasionally winged, Seed ovate, broadly winged, brown or light brown.