Barbarea grayi

Annual or biennial, to 90 cm high, erect, robust, glabrous, bright lettuce-green. Basal leaves with long petioles, and terminal ovate lamina, sometimes with 1 (rarely to 3) pair(s) of lateral lobes, thickish; lower stem leaves with up to 6 pairs of lateral lobes; upper stem leaves simple or with 1 pair of lateral lobes, margins scalloped or toothed. Sepals 3–3.5 mm long; petals 5–6.5 mm long. Fruit more or less erect, linear, 2–6 cm long (including style), 2–2.5 mm wide; style 0.5–1 mm long; pedicels erect, 3–7 mm long, c. 1 mm diam.; seed with a narrow tuberculate wing. Flowers summer.