Ionactis stenomeres | |
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Scientific classification | |
Kingdom: | Plantae |
Clade: | Tracheophytes |
Clade: | Angiosperms |
Clade: | Eudicots |
Clade: | Asterids |
Order: | Asterales |
Family: | Asteraceae |
Genus: | Ionactis |
Species: | I. stenomeres |
Binomial name | |
Ionactis stenomeres (A.Gray) Greene 1897 | |
Synonyms | |
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Ionactis stenomeres, the Rocky Mountain aster, is a rare North American species in the family Asteraceae. It occurs in the Province of British Columbia in western Canada and also in the northwestern United States (Washington, Idaho, Montana).
Description
Ionactis stenomeres is a small perennial up to 30 cm (12 in) tall, with a woody underground caudex. The plant usually produces only one flower head, each with 7-21 blue or lavender ray flowers surrounding yellow disc flowers.
References
- Tropicos, Aster stenomeres A. Gray
- NRCS. "Ionactis stenomeres". PLANTS Database. United States Department of Agriculture (USDA). Retrieved 5 August 2015.
- Biota of North America Program 2014 county distribution map
- Flora of North America, Ionactis stenomeres (A. Gray) Greene, 1897. Rocky Mountain ankle-aster
- Montana Field Guides, Rocky Mountain Aster - Ionactis stenomeres with photos
Taxon identifiers | |
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Ionactis stenomeres |
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Aster stenomeres |
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