Perennial, geophytic herb, 150-600 mm high; stems 150-600 mm high, very rarely branched. Leaves opposite and decussate; blade 20-42 x 2-30 mm, triangular to ovate-triangular. Inflorescences 2-6 per stem, 2-8-flowered; peduncles 7-30 mm long; pedicels 5-10 mm long. Flowers: corolla lobes 5-7 x 3-5 mm, replicate, green lined with brown or yellow; corona 2.0-2.5 mm long, ± equalling gynostegium, white beige or pale green; each lobe broadly ovate in dorsal view, ventral appendage of 2 finger-like projections ± 1 mm long, parallel or divergent, horizontally inflexed over gynostegium. Flowering time Sept.-Apr. (June), mainly Nov.-Feb. Fruit 58-70 mm long.
Perennial herb, 0.15-0.60 m high. Leaves well spaced on stem, decussate. Corolla 5-7 mm long, corolla lobes replicate. Corona with bifid appendages. Anther appendages appressed against top of gynostegium and clearly visible. Flowers green lined with brown or yellow; corona white, beige or pale green.
Slender, single-stemmed geophyte to 60 cm; sap milky. Leaves opposite, usually ovate-deltoid. Flowers ± 10 mm diam., green lined with brown or yellow, corona white to green, lobes with broad, erect base overtopping anthers and 2 slender lobules projecting from ventral face over top of anther.
A herb.