Nomenclature
Scientific Name:
Corydalis lutea (L.) DC.
Vernacular Name(s):
Yellow fumitory
 Description

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.

[From:  Webb et al. (1988) Flora of New Zealand. Volume 4.]

 Biostatus
Exotic
 Phenology

Flowering: Oct.–Feb.; Fruiting: Oct.–Feb.

 Bibliography
Pérez-Gutiérrez, M.A.; Romero-García, A.T. Fernández, M.C.; Blanca, G.; Salinas-Bonillo, M.J.; Suárez-Santiago, V.N. 2015: Evolutionary history of fumitories (subfamily Fumarioideae, Papaveraceae): An old story shaped by the main geological and climatic events in the Northern Hemisphere. Molecular Phylogenetics and Evolution 88: 75–92.