Perennial, graminaceous, geophytic herb; stems unbranched, solitary, erect, 150-250 (-315 mm high. Leaves waxy, erect, lanceolate to elliptic-oblong, 38-76 x 6-32 mm, base cuneate or rounded, apex acute to acuminate; midrib and secondary veins prominent below; petioles up to 8-12(-30 mm long. Inflorescences axillary and terminal, up to 9 per stem, lax umbels hidden amongst leaves, 4(-7-flowered. Flowers large; pedicels short, 10.0-13.5 mm long. Corolla erect, slightly spreading, curving apically inwards, oblong-ovate, 5.5-7.8 x 2.8-4.5 mm, green inside, margins revolute. Staminal corona white, complex; lobes dorso-ventrally flattened, trifid with the inner lobule deltoid, 2.0-3.8 mm high, level with style-stigma-head; lateral lobules shorter (1-2 mm high.
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Erect perennial, 15-40 cm; sap milky. Leaves opposite, leathery, linear-lanceolate to elliptic-oblong. Flowers ± globose, cream-coloured.