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Argemone Linn., Sp. Pl. 508. 1753. Gen. P1. ed. 5: 225. 1754; DC., Prod. 1: 120. 1824; Benth. & Hook. f., Gen. Pl. 1:52. 1867; Hook. f. & Thom. in Hook. f., Fl. Brit. Ind. 1:117. 1874; Cooke, Fl. Pres. Bomb. 1:28.1958 (reprint ed). Cullen in Rech. f., Fl. Iran. 34: 23. 1966.
Erect, prickly annual herbs, with yellow latex. Leaves pinnatifid-dentate. Flowers terminal, solitary, bright yellow rarely whitish or white, pedunculate. Sepals 2-3, free, valvate, caducous. Petals 4-6, obovate, caducous. Stamens indefinite; filaments filiform; anthers basifixed. Ovary ovate-oblong, unilocular; ovules indefinite, born on 4-7 parietal placentas. Style very short or obscure; stigma radiating, 4-7 lobed; lobes opposite the placentas. Capsule ellipsoid, prickly, dehiscing by 3-6, short valves at the top. Seeds numerous, spherical, pitted with oily endosperm.
About 22 species mostly Mexican; represented by 2 species in West Pakistan.
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Flowers yellow; stigma shallowly dissected; style absent in fruit |
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Argemone mexicana |
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Flowers white turning pale-yellowish with age; stigma deeply dissected; style 1-2 mm long in fruit |
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Argemone ochroleuca |
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Lower Taxa
Related Synonym(s):
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