Ionactis stenomeres, the Rocky Mountain aster,[2] 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).[3]
| Ionactis stenomeres | |
|---|---|
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Scientific classification 
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| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Asterales |
| Family: | Asteraceae |
| Genus: | Ionactis |
| Species: | I. stenomeres
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| Binomial name | |
| Ionactis stenomeres | |
| Synonyms[1] | |
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Description
editIonactis 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.[4][5]
References
edit- ^ 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
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