Hunnemannia is a monotypic genus of flowering plants in the poppy family Papaveraceae, containing the single species Hunnemannia fumariifolia (tulip poppy or Mexican tulip poppy) native to the highlands of Mexico. It is typically found at elevations of 1,500–2,000 m (4,921–6,562 ft) in the Chihuahuan Desert and south into central Mexico, where it favors rocky habitats, occurring along roadsides as well.
It is a perennial whose erect stems are somewhat woody at the base, and may reach 60 cm (24 in) in height. The leaves resemble those of the closely related Eschscholzia, being finely divided into many gray-green linear lobes. The flowers are solitary yellow cups formed from four overlapping petals, 5–7 cm across, vaguely resembling the unrelated tulip; the two sepals underneath typically fall away as the flower opens. The numerous stamens are short, with orange anthers. The long thin fruits are also reminiscent of Eschscholzia.
- RHS A-Z encyclopedia of garden plants. United Kingdom: Dorling Kindersley. 2008. p. 1136. ISBN 1405332964.
- Harrison, Lorraine (2012). RHS Latin for gardeners. United Kingdom: Mitchell Beazley. p. 224. ISBN 9781845337315.
- "RHS Plant Selector - Hunnemannia fumariifolia 'Sunlite'". Retrieved 17 July 2013.
- "AGM Plants - Ornamental" (PDF). Royal Horticultural Society. July 2017. p. 50. Retrieved 3 March 2018.
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