Cronquist's Phacelia
Blake Wellard iNaturalist observation 2017; Blake Wellard iNaturalist observation 2017; Blake Wellard iNaturalist observation 2017
Phacelia cronquistiana
NatureServe conservation status
Global (G-rank): G1G2
State (S-rank): S1S2
Utah Wildlife Action Plan status
- SGCN
External links
General information
Phacelia cronquistiana is found in Kane County, Utah and Mohave County, Arizona. In Utah, Phacelia cronquistiana grows on the gypsum-rich Carmel Formation on clay outcrops among pinyon-juniper-sagebrush and ponderosa pine communities at 6300 to 6900 feet elevation. In 1993 there may have been seven occurrences but only four have been confirmed since 2017, recent survey information may be lacking (NatureServe 2022, SEINet 2022). There are estimated to be less than 1000 individuals of Phacelia cronquistiana (Nature Serve 2022).
Description
Phacelia cronquistiana is found in Kane County, Utah and Mohave County, Arizona. In Utah, Phacelia cronquistiana grows on the gypsum-rich Carmel Formation on clay outcrops among pinyon-juniper-sagebrush and ponderosa pine communities at 6300 to 6900 feet elevation. In 1993 there may have been seven occurrences but only four have been confirmed since 2017, recent survey information may be lacking (NatureServe 2022, SEINet 2022). There are estimated to be less than 1000 individuals of Phacelia cronquistiana (Nature Serve 2022).
Phenology
Flowers May-June.
Diagnostic characteristics
Phacelia cronquistiana is differentiated from P. incana by having shorter glandular pubescence and less than 3 mm long calyx. Phacelia cronquistiana differs from P. pulchella var. atwoodii by having white (vs. yellow) flower tube, pale purple flowers, and larger and wider leaves.
Species range
Phacelia cronquistiana is found in Kane County, Utah and Mohave County, Arizona.
Threats or limiting factors
The main threats are from habitat degradation due recreation (Fertig ed 2016), grazing and drought.
Taxonomy
No, this species does not have taxonomic discrepancies