Slender, glaucous annual herbs with several erect or ascending stems 15-35 cm high. Leaves 2.5-5 cm long, linear or linear-filiform, simple, glabrous, few, the stem leaves smaller. Racemes terminal, lax. Pedicels slender, glabrous or very slightly puberulous at the base, in fruit 0.5-1 cm long, wide-spreading becoming reflexed. Sepals 4-4.5 mm long, narrowly oblong, the inner saccate. Petals 7-7.5 mm long, 2.8-3 mm broad, obovate-elliptic, rounded, cuneate with a conspicuous appendage. Filaments 3 mm and 3.5 mm long, each of the 2 short ones with an appendage. Anthers 1.2-1.7 mm long. Ovary linear; style slender; stigma large, capitate; ovules 18-30. Fruits 2-5-6 cm long, 1.5-1.8 mm broad, linear, shallowly moniliform; valves 1-nerved, flat; style 3-4-5 mm long, stout, straight or slightly tapering. Seeds 1.8-2.3 x 1.1-1.3 mm, oblong, flat, narrowly margined.
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Slender, glaucous annual, 150-350 mm tall. Leaves few, linear, entire, 25-50 mm long. Flowers pale blue, petals with a conspicuous appendage, ovules 18-30. Fruit linear, slightly necklace-like, 25-60 x 1.5-1.8 mm.