Dwarf shrub, up to 0.6 m high. Stems lax or straggly, sometimes stems only 50-70 mm high with annual shoots from a woody crown; young branches densely, older more thinly glandular-puberulous or finely papillate glandular. Leaves 1 per node or fascicled on old branches; blade linear, 5-45 x 0.75-1.50 mm, apex acute, fleshy; stipulate. Flowers: in lax, terminal racemes, peduncles up to 250 mm long; style 1.5-4.0 mm long, stigma in diameter wider than style; petals obovate-circular, 8-15 x 5-9 mm, clawed; blue, purple or mauve; May-Jul. Fruit with pedicels spreading or recurved; siliquae submoniliform, 45-65 x 3.0-3.5 mm.
Perennial dwarf shrub, up to 0.6 m high, woody, lax or straggly, young branches densely (older ones less) glandular-puberulous or finely papillate-glandular. Leaves often fascicled on old branches, 2 subulate stipules; young leaves thinly glandular-puberulous, fleshy, linear. Inflorescence a terminal raceme. Flowers scented, blue or purple. Sepals narrowly oblong; outer 2 cucullate, shortly horn-tipped; inner 2 saccate. Petals obovate-circular, clawed. Flowering time Jan.-Oct. Fruit submoniliform. Seeds oblong-circular, sometimes oblique, narrowly winged.
Lax shrublet to 60 cm with annual stems from a woody crown. Leaves stipulate, linear to lanceolate, fleshy. Flowers blue or purple, scented, ovules 18-26. Fruits submoniliform, 45-65 mm long.