Flora of New Zealand Series

sea radish

Perennial, rarely biennial; taproot stout to swollen. Rosette lvs with terminal leaflet narrower than rest of lf, and 4-8 pairs of close-set lateral leaflets; distal leaflets much > proximal. Petals yellow or white, rarely pink or purple or brownish, 15-20 mm long. Silique (1)-2-6-seeded, not breaking readily into segments, (10)-20-40-(60) × (4)-6-8 mm; constrictions short, often deep; segments spherical or wider than long, weakly to strongly ribbed; final segment abruptly narrowed to apex; apex tapering, 1-2-(3)× length of final segment. Seed c. 3 mm long.

N.: Northland, Auckland, Bay of Plenty, Taranaki, Wellington; S.: Nelson, Canterbury, Southland; St.

W. and C. Europe, Mediterranean, Asia 1957

Coastal and on roadsides, waste land.

Poisonous (Connor 1977).

This subsp. has also been referred to in N.Z. as R. maritimus.