Erigeron petrophilus var. viscidulus

(A. Gray) G. L. Nesom

Phytologia 72: 198. 1992.

Basionym: Erigeron inornatus var. viscidulus A. Gray
Treatment appears in FNA Volume 20. Treatment on page 315. Mentioned on page 316.
Revision as of 16:26, 18 September 2019 by FNA>Volume Importer

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.