Heliophila patens Oliv.

A much-branched small annual herb up to 20 cm high, completely glabrous. Leaves 1-2.5 cm long, filiform or narrowly linear, entire. Racemes many-flowered, becoming lax in fruit. Pedicels very slender, about 5 mm long in flower; in fruit 0.6-1 cm long, horizontally spreading. Sepals 1.5-2 mm long, 0.7-1 mm broad, oblong; the outer 2 cucullate; the inner 2 saccate. Petals 3-3.7 mm long, 1.4-1.8 mm broad, obovate, rounded, clawed, each with a large papillate appendage. Filaments 0.9-1.1 mm and 1.4-1.6 mm long. Anthers 0.4-0.5 mm long. Ovary elliptical or obovate-elliptical with a long, slender style; stigma capitate; ovules 2, rarely 3-4. Fruits 3-6.5 mm long, 2-2.5 mm broad, oblong, obovate or subcircular, occasionally ± constricted between the seeds; valves flat, 1-nerved, densely or sparsely set with minute papillae which are arranged in rows; style 1.5-3 mm long, filiform. Seeds 1.2-1.3 x 1-1.1 mm, subcircular, flat, narrowly margined. Collected in flower in July, and in fruit in October.