Ionactis stenomeres explained

Ionactis stenomeres, the Rocky Mountain aster, is a rare North American species in the family Asteraceae. It in the Province of British Columbia in western Canada and also in the northwestern United States (Washington, Idaho, Montana).^[1]

Description

Ionactis stenomeres is a small perennial up to 30cm (10inches) 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.^{[2] [3]}

Notes and References

1. http://bonap.net/MapGallery/County/Ionactis%20stenomeres.png Biota of North America Program 2014 county distribution map
2. http://www.efloras.org/florataxon.aspx?flora_id=1&taxon_id=250067005 Flora of North America, Ionactis stenomeres (A. Gray) Greene, 1897. Rocky Mountain ankle-aster
3. http://fieldguide.mt.gov/speciesDetail.aspx?elcode=PDASTE4040 Montana Field Guides, Rocky Mountain Aster - Ionactis stenomeres