Rock Hymenoxys
Hymenoxys lapidicola
NatureServe conservation status
Global (G-rank): G2
State (S-rank): S2
Utah Wildlife Action Plan status
- SGCN
External links
General information
Rock hymenoxys, Hymenoxys lapidicola, is a compact mat-forming plant, it lights up sandstone rock crevices in ponderosa pine communities with its small yellow flowers. It is endemic to Uinta Basin and known from approximately, only eight locations. Hymenoxys lapidicola has been accepted to be synonyms with Tetraneuris torreyana.
Description
Rock hymenoxys, Hymenoxys lapidicola, is a compact mat-forming plant, it lights up sandstone rock crevices in ponderosa pine communities with its small yellow flowers. It is endemic to Uinta Basin and known from approximately, only eight locations. Hymenoxys lapidicola has been accepted to be synonyms with Tetraneuris torreyana.
Phenology
Flowers in June.
Diagnostic characteristics
Hymenoxys lapidicola is differentiated from H. torreyana by its pulvinate-caespitose form, thickened recurved involucral bracts, and disks less than 10 mm wide.
Species range
This species is endemic to the Uinta Basin, only known from Uintah County.
Threats or limiting factors
Threats have been considered to be low, in part due to its relatively inaccessible habitat (Alexander 2016). Threats may include some recreation impacts and drought.
Taxonomy
No, this species does not have taxonomic discrepancies