Heliophila macra Schltr.

Slender, sparingly branched shrubs 1-1.3 m high, or annual shoots from a perennial crown, up to 70 cm high. Stems glabrous, round, sparsely leafy, the base often minutely tuberculate-papillate with the papillae in rows. Leaves 2.5-8 cm long, linear, entire, acute, often mucronulate, the upper ones smaller, the lower ones with 2 minute stipules. Racemes terminal. Pedicels not subtended by bracts, in flower 3-6 mm long, erect; in fruit 5-10 mm long, erect. Sepals 3.5-7 mm long, 1.5-2.2 mm broad, oblanceolate-oblong; outer 2 somewhat cuculate, thickened at the tip; inner 2 with membranous margins, somewhat saccate. Petals 7.5-11.5 mm long, 3.5-6.5 mm broad, obovate, clawed. Filaments 3-4 mm and 3.7-4.9 mm long. Anthers 1-1.9 mm long. Ovary linear-oblong, shortly stipitate; style long, stigma capitate; ovules ±18-24. Fruits 2.5-5 cm long, 1.8-2.6 mm broad, linear with straight margins, shortly stipitate; valves 1-nerved, smooth, flat; style (1.5-)4-8 mm long, stoutly subulate to somewhat conical. Seeds 2.7-2.8 x 1.4-1.9 mm, narrowly to broadly oblong.