Perennial, geophytic herb, 0.3-0.9 m high; stems solitary, stout at base. Leaves erect, ± congested, elliptic-oblong to broadly elliptic, 70-138 x 25-70 mm, base rounded to cuneate, apex obtuse, tip mucronate, glabrous, leathery; midvein and parallel secondary veins pronounced; callose and scabrid along margins. Inflorescences axillary, congested apically, subglobose, ± 12-flowered. Flowers yellowish green. Corolla spreading-erect; lobes oblong-ovate, 10.0-12.5 x 4.5-8.0 mm, margins revolute, apex notched; lower surface glabrous. Staminal column 2.5-3.0 mm, not stipitate. Corona solid, fleshy, scale-like, obtriangular/subquadrate, 2 mm high, 3 mm wide, contiguous. Style-stigma-head inflated and cushion-like above corona, ± 2.5 mm in diam. Anthers subreniform, inflexed on style-stigma-head. Follicle slightly inflated, 95 x 44-53 mm, very leathery, glabrous.
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Perennial herb, 0.6-0.9 m high. Leaves 1.5-3 times as long as broad, elliptic or oblong; glabrous. Umbels all sessile, numerous, racemosely arranged along stem. Flowers yellowish green.