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Perennial herb, up to 0.45 m high. Stems annual from rootstock; patently hairy with simple hairs. Leaves basally in a rosette, petiolate, 4-12 mm long, pinnatifid with up to 10 pairs of short, broad, ovate-triangular, dentate lobes, terminal lobe ovate; stem leaves petiolate, pinnatifid, lobes dentate, upper ones sessile; all leaves patently hairy, glaucous. Flowers: in terminal racemes, at first dense, lax in fruit, ebracteate; petals yellow; Nov.-Apr. Fruit with pedicels stout, wide-spreading; siliquae terete, 10-23 x 1.3-1.5 mm, hairy all over with short, erect, coarse, thick-based hairs.
Annual herb, 0.35-0.45 m high, erect. Stems with simple hairs. Leaves: basal leaves rosulate, petiolate, pinnatifid, ± 10 pairs of lobes, lobes short, broad, ovate-triangular, dentate, terminal lobes small, ovate; lower cauline leaves petiolate, pinnatifid, 5 or 6 pairs of lobes, broad, dentate, upper ones sessile, pinnatifid or pinnately serrate-dentate, lobes and teeth dentate-crispate, hairy, glaucous. Inflorescence a terminal raceme; rachis hairy. Flowers small, yellow. Sepals hairy. Fruit a siliqua, stout-linear, terete, pedicellate. Seeds oblong.
A erect herb. It is hairy and grows 45 cm tall. It has a thick root that produces stems each year. The leaves at the base are in a ring. They have leaf stalks and are deeply lobed. The lobes are broadly oval and have teeth along the edge. The leaves on the stem have 6-8 pairs of broadly oval lobes with teeth. The flowers are in a dense group at the top. The flowers are small, yellow and 3 mm long. The fruit is a narrow seed capsule with short hairs. The seeds are oblong and in two rows.
Erect herb, up to 450 mm tall, with simple hairs. Inflorescence ebracteate. Siliquae terete, 10-23 x 1.3-1.5 mm, strigose with coarse, thick-based hairs. Flowers yellow.
