Cistus crispus is a shrubby species of flowering plant in the family Cistaceae , with pink to purple flowers, native to south-western Europe and western north Africa.
Cistus crispus grows up to 50 cm (1 ft 8 in) tall. Its grey-green leaves are wavy (undulate), oblong to elliptical in shape, usually 1–4 cm (0.4–1.6 in) long by 4–15 mm (0.2–0.6 in) wide. They have three prominent veins and are covered a mixture of short stellate hairs and longer simple hairs. The flowers are arranged in few-flowered cymes, each flower being 3–4 cm (1.2–1.6 in) across with five purplish-red petals and five hair-covered sepals.
Cistus crispus was first described by Carl Linnaeus in 1753 in Species Plantarum (p. 524). The specific epithet crispus means "curly" or "finely waved", referring to the leaves. A 2011 molecular phylogenetic study placed C. crispus as most basal member of the large group of purple and pink flowered Cistus species. It hybridizes with Cistus albidus to form the hybrid Cistus × incanus.
Cistus crispus is native to north Africa and south-western Europe, including Portugal, Spain, France, Corsica, Italy and Sicily.
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