Annual herb. Stems erect, rarely decumbent, up to 0.1 m high when flowering. Leaves fleshy; in a rosette; blade narrowly ovate to narrowly triangular, 4-6 x 1-2 mm, apex acute, drawn into a sharp point in shade forms, upper surface flat, lower surface convex, glabrous, green to brown. Flowers: in a thyrse with many, sessile dichasia, pedicels short, bracts glabrous; 5-merous; calyx lobes acute; corolla tubular, lobes oblong, ± 3 mm long, each terminal with a rounded dorsal appendage, fleshy, petal apex spreading towards centre of flower, pale yellow to brown; Aug.-Nov.