Conoclinium, the mistflowers, is a genus of four species of herbaceous perennial flowering plants, native to North America. They are 0.5 to 2 metres (1.6 to 6.6 ft) tall, and have blue to purple or violet flowers (occasionally white).
The plants of this genus have sometimes been classified in the genus Eupatorium, but late 20th century research shows they are more closely related to other plants of the Eupatorieae, such as Ageratum.
C. coelestinum (blue mistflower) is native to eastern North America, from Ontario to Florida to Texas. It is often grown as a garden plant, although it does have a tendency to spread and take over a garden. It is recommended for habitat restoration (within its native range), especially in wet soils.
C. mayfieldii is found in northern Mexico.
- "Conoclinium". Flora of North America.
- Gregory J. Schmidt and Edward E. Schilling (2000). "Phylogeny and biogeography of Eupatorium (Asteraceae: Eupatorieae) based on nuclear ITS sequence data". American Journal of Botany (Botanical Society of America) 87 (5): 716–726. doi:10.2307/2656858. JSTOR 2656858. PMID 10811796.
- Quattrocchi, Umberto (2000). CRC World Dictionary of Plant Names: A-C. CRC Press. p. 602. ISBN 978-0-8493-2675-2.
- "Conoclinium betonicifolium". Flora of North America.
- "Conoclinium coelestinum". PLANTS.
- "Conoclinium coelestinum". Native Plant Database. Lady Bird Johnson wildflower center.
- "Conoclinium coelestinum (Eupatorium coelestinum)". Native Plants for Wildlife Habitat and Conservation Landscaping: Chesapeake Bay Watershed. U.S. Fish & Wildlife Service.
- "Conoclinium dissectum". Flora of North America.
- C. coelestinum photo from Photographs of flowering plants of the Ozarks and the interior highlands of North America, by Paul L. Redfearn, Jr.
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