UW Burke Herbarium species comparison

Basal leaves oblanceolate to narrowly oblanceolate, 1.5-5 mm broad, margins typically toothed, not ciliate, densely pubescent above and beneath with 5-12-rayed trichomes on short-stalks and up to 0.2 mm;

cauline leaves 7-45, hiding the stem near base, lobe-like appendages at base absent or 0.7-3 mm, surfaces pubescent towards ends of stems.

Basal leaves numerous, 2-9 cm. long and 2-8 mm. broad, oblanceolate, the blade few-toothed to entire, densely hairy at least below with cross-shaped or stellate hairs, narrowed to a slender petiole;

cauline leaves numerous, linear lanceolate to oblanceolate, 2-8 cm. long and 2-6 mm. broad, mostly auriculate and entire.

Inflorescence usually 10-40-flowered, typically unbranched racemes; fruiting pedicels pendent, curving downward towards ends to horizontally spreading to ascending at base, 4-10 mm, pubescent with trichomes appressed and branched, occasionally slightly secund;

flowers ascending to descending;

sepals 4, pubescent;

petals 4, white to pale purple, 5-9 mm long and 0.8-1.8 mm broad, glabrous;

pollen ellipsoid.

Inflorescence a many-flowered raceme; pedicles 5-14 mm. long, glabrous to stellate;

sepals 4, 3-6 mm. long, the outer 2 slightly gibbous-based;

petals 4, white to deep red-violet, 6-14 mm. long;

stamens 6;

style none.

Siliques 4-12 mm. long and 1.5-2 mm. broad, glabrous, 1-nerved nearly full length, curved, spreading to ascending;

seeds in 1 series, 1.5-2 mm. long, with a wing up to 0.5 mm. broad.

Siliques 3-6.5 cm long and 1.9-2.2 mm broad, closely pendent, uncommonly appressed to rachis, generally not curved, with parallel edges;

valves pubescent;

seeds in 1 series, 1.4-1.8 mm long and 1-1.4 mm broad, with a continuous wing to 0.3 mm broad.