Heliophila trifurca Burch. ex Dc.

Robust annual herbs up to 60 cm high, glabrous, glaucous. Leaves 3.5-12 cm long, 0.8-2.5 mm broad, linear, simple or up to 5-lobed, exstipulate or with 2 minute caducous stipules. Racemes terminal, lax. Pedicels ebracteate or subtended by 2 minute caducous bracts; in flower 0.8-1.6 cm long; in fruit 1-2.3 cm long, spreading or recurved-spreading. Sepals 4.5-5.3 mm long, 1.5-2 mm broad; the outer 2 cucullate, thickened at the tip; inner 2 saccate, with a broad membranous margin. Petals 5.5-8.5 mm long, 3.2-5.5 mm broad, obovate or broadly obovate, rounded, shortly clawed. Filaments 2.9-4 mm and 3.3-4.8 mm long. Anthers 2-2.8 mm long. Ovary linear to oblong; stigma large, capitate; ovules 20-44. Fruits 2-5.5 cm long, 2.5-4.2 mm broad, spreading or pendulous, linear or linear-oblong, the margins straight; valves flat, 1-nerved, finely reticulately veined; style 1-6 mm long, straight or slightly clavate. Seeds 2-3.5 mm in diameter, subcircular, broadly winged with a deep, narrow sinus.