Annual herb, up to 1 m high. Stems simple or branched in upper part; densely appressed-strigose with coarse, retrorse hairs in lower part. Leaves petiolate or sessile; petioles retrorsely hispid, blade thinly hispid; basal ones petiolate, blade lyrate-pinnatifid, 4-6-jugate with small deltoid-oblong or larger oblong-ovate lateral lobes, terminal lobe large, ovate; stem leaves with gradually shorter petioles, upper ones sessile, narrowly oblong-ovate, margins serrate-dentate or repand dentate-lobate. Flowers: in dense racemes; petals narrowly obovate, 6.5-9.0 mm long, long-clawed, white or cream-coloured, fading mauve; Oct.-Mar. Fruit with pedicels erect or wide-spreading; siliquae linear, 25-48 x 1.5-2.2 mm, glabrous; beak 3.0-10.5 mm long.
Annual herb, 0.5-1.0 m high, erect. Stems: upper part simple or freely branched; lower part appressed-strigose with retrorse hairs. Leaves: basal leaves hispid, lyrate-pinnatifid, 4-6-jugate, lateral lobes small, deltoid-oblong or oblong-ovate, terminal lobes large, ovate, petioles retrorsely hispid; cauline leaves sessile, oblong-lanceolate, serrate-dentate or repand dentate-lobate, thinly hispid or subglabrous. Inflorescence a terminal raceme. Sepals oblong, hairy or glabrous. Petals oblanceolate to obovate, clawed. Fruit a linear siliqua, erect or ascending, midrib conspicuous. Seeds oblong-orbicular, red-brown, seed coat reticulate.
Erect herb, up to 1 m high. Petals 6.5-9.0 mm long. Siliquae 1.5-2.2 mm in diameter. Valves glabrous. Beak 3.0-0.5 mm long. Fruiting pedicels 10-20(-40) mm long. Flowers yellow.