Eschscholzia californica Cham.

Annual or perennial herb. Habit various, from a tufted rosette to an erect many-stemmed herb with the rosette stage almost completely suppressed. Stems ribbed, erect, glabrous, 10–30–(40) cm tall. Lvs much dissected; petiole > lamina; lamina to 10 × 10 cm in rosette lvs, usually much smaller in stem lvs. Pedicels ribbed, 5–10 cm long. Calyx hood apiculate. Petals obovate, yellow to orange, or yellow with orange base, rarely white, cream or red, (1)–2–3.5 cm long. Anthers > filaments. Capsule ribbed, straight or slightly curved, 25–90 × 3–4 mm.

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

Flowering: (Sep.)–Oct.–Feb.–(May); Fruiting: (Oct.)–Dec.–May.