Flora of New Zealand Series

horned poppy

Biennial or perennial starting as a tufted rosette; stems stout, glabrous, glaucous, erect or ascending, 20-30-(50) cm tall. Lvs glaucous. Lower lvs obovate; lamina 2-pinnatifid or pinnate, petiolate, hairy on both surfaces, (10)-15-30-(50) × (3)-5-10 cm; leaflets lobed or toothed. Upper lvs smaller, ovate to triangular, shallowly pinnatifid or lobed, sessile, amplexicaul, sparsely to densely hairy above, glabrous or sparsely hairy beneath. Pedicel stout, glabrous, 1-2 cm long. Sepals sparsely to densely hairy, 2-3 × c. 1.5 cm. Petals yellow, broadly obovate, c. 3 × 4 cm. Capsule tuberculate throughout length but not hairy, often curved, (150)-200-300 × 4-7 mm.

N.: Hawke's Bay, Wairarapa, Wellington; S.: Nelson, Marlborough, Canterbury, Otago; Ch.

W. Europe, Mediterranean, S.W. Asia 1878

Rocky and shingly sea coasts, rarely in sand, occasionally established some distance inland (e.g., on stony riverbeds near Martinborough), most common on the Cook Strait coasts and Banks Peninsula.

FL Nov-Mar FT (Nov)-Dec-Apr.

This sp. has sometimes been referred to in N.Z. as G. luteum.