- See also Viper's bugloss (moth) for the insect.
Echium vulgare — known as viper's bugloss and blueweed — is a species of flowering plant in the borage family Boraginaceae. It is native to most of Europe, and western and central Asia and it occurs as an introduced species in north-eastern North America.
It is a biennial or monocarpic perennial plant growing to 30–80 cm (12–31 in) tall, with rough, hairy, oblanceolate leaves. The flowers start pink and turn vivid blue and are 15–20 mm (0.59–0.79 in) in a branched spike, with all the stamens protruding. The pollen is blue but the filaments of the stamens remain red, contrasting against the blue flowers. It flowers between May and September. It is found in dry calcareous grassland and heaths, bare and waste places, along railways and roadsides, and on coastal cliffs, sand dunes and shingle.
Viper's bugloss being pollinated by skipper butterflies
- Dickinson, T.; Metsger, D.; Bull, J.; & Dickinson, R. (2004) ROM Field Guide to Wildflowers of Ontario. Toronto:Royal Ontario Museum, p. 203.
- Flora Europaea: Echium vulgare
- Germplasm Resources Information Network: Echium vulgare
- "Echium vulgare L.". Retrieved 20 August 2015.
- Graves, Melissa; Mangold, Jane; Jacobs, Jim. "Biology, Ecology and Management of Blueweed" (PDF). store.msuextension.org. Montana State University. Retrieved 22 October 2016.
- Dorothy Hodges (1952). The pollen loads of the honeybee. Bee Research Association Ltd., London.
- Fitter, R. & A. (1974). The Wild Flowers of Britain and Northern Europe. Collins.
- "Common viper's bugloss: Echium vulgare (Lamiales: Boraginaceae): Invasive Plant Atlas of the United States". www.invasiveplantatlas.org. Invasive Pant Atlas of the United States. Retrieved 22 October 2016.
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