Kelseya uniflora
in N. L. Britton et al., N. Amer. Fl. 22: 254. 1908.
Common names: One-flower kelseya or spiraea alpine laurel
EndemicIllustrated
Basionym: Eriogynia uniflora S. Watson Proc. Amer. Acad. Arts 25: 130. 1890
Treatment appears in FNA Volume 9. Treatment on page 415.
Revision as of 23:13, 16 December 2019 by FNA>Volume Importer
Shrubs 3–6 dm diam. Leaves light green to grayish green, becoming brownish, marcescent, hardened. Flowers: sepals persistent, inflating radially with fruit maturity. Follicles brown, coriaceous, opening first along adaxial suture, later on abaxial suture. 2n = 18.
Phenology: Flowering Apr–Aug.
Habitat: Cracks of limestone rock outcrops
Elevation: 1800–3500 m
Distribution
Idaho, Mont., Wyo.
Discussion
Kelseya uniflora can form dense carpets or mats that may cover areas of cliff faces. The solitary flower is unique in Spiraeeae. This species is of interest as an unusual rock-garden plant; it is difficult to cultivate.
Selected References
None.
Lower Taxa
None.