North American species of columbine
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Aquilegia jonesii, or Jones' columbine, is a perennial species of plant in the family Ranunculaceae, endemic to Alberta, Montana, and Wyoming.
Description.
Jones' columbine is a dwarf species, reaching only 12cm in height. It has basal leaves almost as long as the plant's stems, crowded leaflets, and erect blue or purple flowers which bloom in June and July.
Taxonomy.
The specific epithet "jonesii" honours Captain W. A. Jones, U.S. Engineer, who was the commander of the 1873 expedition on which the species was discovered, and who was the first to find a specimen.
Distribution and habitat.
Jones' columbine grows in rocky places in subalpine limestone areas in northern Wyoming, northwest and central Montana, and southern Alberta, at altitudes from 1800m to 3400m. At least 20 populations of the species have been documented, of which 16 are in Wyoming.
References.
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