Chamaechaenactis, common name fullstem, is a genus of flowering plants in the daisy family.Rydberg, Per Axel. 1906. Bulletin of the Torrey Botanical Club 33(3): 155–156 in EnglishTropicos, Chamaechaenactis Rydb.Preece, S. J. and B. L. Turner. 1953. A taxonomic study of the genus Chamaechaenactis Rydberg (Compositae). Madroño 12: 97–103.
There is only one known species, Chamaechaenactis scaposa, native to the western United States (Colorado, New Mexico, Texas, Wyoming, Arizona, Utah)Flora of North America, Fullstem, Chamaechaenactis scaposa (Eastwood) Rydberg, Bull. Torrey Bot. Club. 33: 156. 1906. SEINet Southwest Biodiversity photos, description, distribution map It is a perennial up to 10 cm (4 inches) tall with a thick underground caudex. Most of the leaves are in a basal rosette. Flower heads are usually produced one at a time, with white to pink disc florets but no ray florets.
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External links Southwest Colorado Wildflowers