Citation: Thunb., Prod. Pl. Cap. 92 (1800).

Synonymy: P. horridum DC., Reg. Veg. Syst. Nat. 2:76 (1821).

Common name: Bristle poppy.

Description:
Dense rosette with a few erect flowers, more or less covered with bristles and fine hairs; basal leaves with a petiole-like base up to one third of its length, 2-15 cm long, with blade lanceolate toothed or lobed but at least one-third of the leaf width entire and more or less toothed each with a terminal bristle; cauline leaves sessile, lanceolate, 1.5-7 cm long, with a tapering base, shallowly lobed but with many teeth each ending in a bristle.

Pedicels mainly with spreading bristles; sepals covered with fine spreading hairs; petals brick-red to orange.

Capsule narrowly obovoid and at least twice as long as broad; seeds dark-brown to black, with a reticulate pattern in rows.

	Papaver aculeatum
Image source: fig 203a in Jessop J.P. & Toelken H.R. (Ed.) 1986. Flora of South Australia (4th edn).

Published illustration: Hook. (1837) Curtis's Bot. Mag. 64: pl. 3623; Letty (1962) Wild flowers of the Transvaal, pl. 72.

Distribution:  S.Aust.: FR, EP, MU, YP, SL, KI.   W.Aust.; N.T.; Qld; N.S.W.; Vic.; Tas.   Native to southern Africa and although there is evidence that it is not native in Australia it seems likely that it was introduced before European settlement. Conservation status: naturalised Flowering time: Sept. — Feb.

SA Distribution Map based on current data relating to specimens held in the State Herbarium of South Australia

Biology: No text

Author: Not yet available