Tufted perennial with annual flowering shoots to c. 600 mm tall. Roots with distal, fusiform tubers. Leaves spirally arranged, leaf-blades sessile or petiolate, linear-lanceoÂlate to lanceolate (or lanceolate-elliptic), 50-150 x (6-)10-25(-33) mm, apex usually acuminate. Inflorescences terminal, glabrous, c. 40-100 x 35-70 mm, with mostly 10-20 cincinni arranged in 2-6 whorls. Flowers perÂfect and staminate, c. 12-18 mm wide; paired petals orange-yellow, 7-9,5 mm long; lateral stamen filaments 9-12 mm long, glabrous; style 10-13 mm long. Capsules elliptic to obovate, trilocular or bilocular, (3,5-)4-6 x 3-4,5 mm, dorsal locule l(-0)-seeded, venÂtral locules l-2(-3)-seeded. Seeds of ventral locules elliptic to ovate, 1,8-3,2 x 1,6-2,2 mm, testa smooth to faintly reticulate. Fig. 7:3.
