Tridentea virescens (N.E.Br.) L.C.Leach

Small succulent to 0.5 m diam. Stems 30-150 mm long, 8-15 mm thick, grey-green flecked with purple-brown; leaf-rudiments 6-10 mm long, subulate. Inflorescence with many flowers developing in rapid succession on erect peduncle 5-45 mm long; pedicels 15-80 mm long, 1.5-2.5 mm thick, erect and holding flowers facing upwards; sepals 2.5-4.0 mm long, ±1.25 mm broad at base, narrowly ovate, acute, sometimes with few slightly clavate marginal cilia. Corolla 20-30 mm diam., ± rotate, deeply lobed; outside pale green to pinkish with 5 slightly darker almost parallel nerves along each lobe; inside bright yellow to greenish yellow, densely papillate-rugose (except in tube), papillae obtusely conical and fused into irregular ridges and longitudinal rows on lobes, each papilla tipped with a minute bristle; tube very short and shallowly conical around base of gynostegium, with corolla thickened and becoming papillate around mouth but smooth towards base; lobes ±8-12 mm long, 7-8 mm broad at base, spreading, ovate, acute, margins strongly reflexed so that convex above, rarely with simple white cilia. Corona ±6 mm tall, 9 mm broad, bright yellow, raised on short stipe; outer lobes 2.5-3.0 mm long, ±2 mm broad at base, ascending, deeply trifid; central lobule nearly 2 mm long, ± deltoid, acute to dentate, channelled towards base on inner face; lateral lobules ± deltoid, diverging, ±1 mm long; inner lobes 3-4 mm long, connivent becoming recurved above, terete above anthers, obtuse, near base with ascending laterally flattened ± deltoid dorsal horn 0.5-2.0 mm long.