Raphanus raphanistrum L. subsp. raphanistrum
wild radish
Annual or biennial; taproot slender. Rosette lvs with terminal leaflet as wide as rest of lf, and 1-4-(5) pairs of distant lateral leaflets; all leaflets about equal in length. Petals yellow, lilac or white, 13-18 mm long. Silique (2)-5-8-seeded, breaking readily into segments, (20)-30-60-(80) × (2)-3-4-(5) mm; constrictions long, usually shallow; segments ovoid to oblong, usually strongly ribbed; final segment gradually narrowed to apex; apex tapering, (2)-3-4× length of final segment. Seed 1.5-3 mm long.
N.: Northland, Auckland, Waikato, Bay of Plenty, Wellington; S.: Nelson, Canterbury, Southland.
Europe, Asia, N. Africa 1854
Waste land, roadsides, disturbed soil.
This subsp. has also been referred to in N.Z. as R. raphanistrum subsp. segetum.
