Erigeron petrophilus var. viscidulus
Phytologia 72: 198. 1992.
Endemic
Basionym: Erigeron inornatus var. viscidulus A. Gray in A. Gray et al., Syn. Fl. N. Amer. 1(2): 215. 1884
Stems and leaves eglandular or obscurely glandular, nonglandular hairs mostly stiff, straight or curved. Phyllary apices not purplish or differently colored from proximal portion.
Phenology: Flowering Jul–Sep.
Habitat: Open rocky slopes, ledges, talus, sometimes on serpentine
Elevation: (1200–)1500–2700 m
Discussion
The cauline vestiture of var. viscidulus is variable, of stiff hairs primarily spreading to slightly deflexed, varying to antrorsely appressed (perhaps suggesting introgression from Erigeron inornatus). Apparent intergrades with E. reductus var. reductus occur in Trinity County.
Selected References
None.
Lower Taxa
None.