Swaziland's Alien Plants Database

Argemone ochroleuca Sweet subsp. ochroleuca

PAPAVERACEAE

Mexican poppy, devil's fig, golden thistle of Peru, Mexican pricklepoppy, Mexican thistle, prickly poppy, white thistle, yellow poppy

Invasive, Problem species

Origin: Central America

Growth Form: Herb

Plant Description: Plant: Annual, very spiny herb up to 0.9 m high; stems exude a yellow sap when cut. Leaves: Grey or bluish-green, with prominent white veins, spiny; up to 150 mm x 60 mm. Flowers: Pale yellow or creamy white, September–January(–all year). Fruit: Spiny capsules, oblong, green turning brown, up to 50 mm long, splitting into five lobes and releasing numerous small black seeds.

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