Perennial herb with woody, semi-swollen, deep-seated underground organs. Stem single, erect, 240-750 mm high. Leaves spreading, narrowly lanceolate to linear, occasionally upper leaves falcate, 34-128 x 2-25(-35) mm, apex acute to acuminate, base minutely auriculate to minutely hastate; petiole 0.6-1.3(-2.0) mm long. Inflorescence umbelliform, semipendulous, axillary and terminal, 1-4 per plant, 4-6(-9)-flowered; peduncles 7-14(-24) mm long. Flowers 6-14 x 4.5-8.0 mm, pink or pale pink to cream; pedicel 7-20 mm long. Sepals lanceolate, occasionally triangular or narrowly ovate, 2.2-3.4 x (0.7-)1.4-2.1 mm. Corolla spreading to ascending; petals connate at base, ovate, apex acute, 6.4-7.7 x 3.2-4.9 mm, white, cream or pink in centre and near apex, margins white to pale pink, abaxial surface glabrous, margins minutely scabrous. Corona lobes fused to staminal tube 0.3-0.5 mm above corolla, saccate or cyathiform, 1.3-2.6 x 2.3-3.3 mm, white to cream with pink keel. Upper proximal ends extended into 2 long, dentate, subfalcate appendages 1.5-2.8 x 0.4-0.8 mm, level with style apex, 2 tooth-or wing-like flaps present below appendages on proximal margin. Upper margin oblique to style apex, proximal end usually higher than distal end, which is sometimes raised into a short, blunt projection deeply cleft at apex, cleft running a short distance along rounded keel. Staminal column 2-3 mm high; alar fissure 1.2-2.0 mm long; anther wings curvirostrate, 1.2-2.0 x 0.5-0.9 mm; anther appendages ovate to elliptic, 1.0-1.4 x 0.5-1.0 mm, membranous, white, decumbent on style apex. Style apex truncate, 1.5-3.0 mm wide. Pollinia hemitrulloid to hemipyriform, 0.68-0.92 x 0.5-0.52 mm; translator arms 0.2-0.32 mm long; corpusculum 0.28-0.4 x 0.5-0.52 mm. Fruits fusiform, ±65 x ± 10 mm, puberulous. Flowers between September and April, with a peak period in December.
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