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It is a perennial plant that grows between 25 and 100 cm. It prefers grassy places and dry soils, avoiding heavy soils, and flowers between July and September. The flowers are borne on inflorescences in the form of heads; each head contains many small florets. The head is flatter than in similar species, such as devil's bit scabious (Succisa pratensis) and small scabious (Scabiosa columbaria). There are 4 stamens in each floret, and 1 notched long stigma. The fruit is nut like, cylindrical and hairy, 5–6 mm in size. It has a tap root. The stem has long stiff hairs angled downwards. The leaves form a basal rosette, are paired on the stem, the lowest typically 300 mm long, spear shaped, whereas the upper are smaller. There are no stipules.
It is occasionally used by the marsh fritillary as a foodplant instead of its usual foodplant of devils bit scabious (Succisa pratensis). It is also the foodplant of the narrow-bordered bee hawk-moth (Hemaris tityus).
Species of scabious were used to treat scabies, and many other afflictions of the skin including sores caused by the bubonic plague1. The word scabies comes from the Latin word for "scratch" (scabere). Another name for this plant is gipsy rose3. The genus Knautia is named after a 17th-century German botanist, Christian Knaut.
basal leaf - note that in this species it is lobed, whereas Devils Bit scabious it is not
- Kingfisher Field Guides - Wild Flowers of Britain and Northern Europe
- Usborne Spotter's Handbook of Birds, Trees, Wildflowers
- The I-Spy Guide to Wild flowers by Michelin
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