Tiny barrens remnant under old, open grown black oaks. A few plants
This is Viola adunca or Early Blue Violet, on this site Hookedspur Violet, which was growing profusely along the Klahane Ridge trail. Most blossoms were about 3/4" long, and the clumps of plants had several blossoms per plant. There were also many yellow Stream Violets (Viola glabella) all along the trail.
These small flowers were seen in bloom above Lake Louise on the Plain of the Six Glaciers Trail.
Abundant in small patches near water.
Viola purpurea ssp xenophyta?
Viola (US /vaɪˈoʊlə/ and UK /ˈvaɪ.ələ/) is a genus of flowering plants in the violet family Violaceae. It is the largest genus in the family, containing between 525 and 600 species. Most species are found in the temperate Northern Hemisphere, however some are also found in widely divergent areas such as Hawaii, Australasia, and the Andes.