Home
Annual herb, with ascending or decumbent branches to 80 cm long. Leaves succulent, petiolate, deeply pinnatifid to entire; lobes (when present) of 2 to 4 pairs, obovate or spathulate, rarely less than 5 mm wide; upper leaves reducing. Inflorescence a raceme, elongating in fruit. Sepals 4–5.5 mm long. Petals 8–14 mm long, white to purple. Silicula 12–27 mm long, 4–8 mm wide, somewhat hastate, articulating between the two dimorphic segments, spreading, on pedicels to 7 mm long; upper segment compressed conical-hastate, somewhat 4–angled, unilocular; lower segment more or less obconical, expanding to two lateral blunt horns, unilocular, seed of the lower segment smaller than that of the upper.
A cabbage family herb. It is an annual herb. The stems lie along the ground or bend upwards. It is 15-45 cm long. It has a white taproot. The lower leaves are 3-12 cm long. They normally have lobes arranged like along the stalk. These are oblong. They can have fine teeth along the edge. The flowers are pink to purple and have 4 petals. The fruit are fleshy and green and oval with a point at the end. (Like a rocket!) It has 2 bumps near the tip.
A European sp. with deeply pinnatifid lvs, and with the lower segment of the fr dilated into projecting teeth at the joint, is occasionally adventive about Atlantic seaports and appears to be established on beaches in the Chesapeake Bay region.
