Corydalis lutea (L.) DC.
yellow fumitory
Glabrous perennial herb. Stems erect or suberect, to 30 cm tall. Lvs 2-3-pinnate, glaucescent above, glaucous beneath, submembranous, (6)-10-20 × (3)-6-15 cm; leaflets 3-lobed or 3-fid; petiole not winged except at sheathing base, = or > lamina. Raceme 6-16-flowered; peduncle 1-6 cm long; fls crowded but rachis elongating at fruiting. Bracts membranous, entire, c. 1 × 0.5 mm. Pedicels slender, recurved at fruiting, c. 1 mm long. Sepals membranous, c. 1.5 × 1 mm. Corolla yellow, 8-12 mm long; spur 3-4 mm long. Capsule pale, papery, c. 1 cm long. Seeds black, shiny, rugulose, 1.5-2 mm diam.
N.: Taranaki (Douglas), Hawke's Bay (Eketahuna), Wellington; S.: Canterbury.
C. and E. Europe 1904
Old gardens, rubbish tips, waste land, infrequent garden escape.
