Dieteria canescens var. shastensis

(A. Gray) D. R. Morgan & R. L. Hartman

Sida 20: 1396. 2003.

Basionym: Machaeranthera shastensis A. Gray Proc. Amer. Acad. Arts 6: 539. 1866
Synonyms: Aster shastensis (A. Gray) A. Gray M. canescens var. shastensis (A. Gray) B. L. Turner
Treatment appears in FNA Volume 20. Treatment on page 400. Mentioned on page 395, 398, 399.
Revision as of 19:31, 16 December 2019 by FNA>Volume Importer

Annuals, biennials, or short-lived perennials. Stems 1+, ascending to erect, canescent, sometimes sparsely stipitate-glandular; branches ascending (curved, flexible). Mid leaf blades lanceolate to oblanceolate. Peduncles equaling or longer than involucres. Involucres narrowly to broadly turbinate, 6–10 mm. Phyllaries in 3–5(–7) series, appressed, spreading, or reflexed, apices often canescent, stipitate-glandular. Ray florets sterile or 0. Cypselae sparsely appressed-hairy. 2n = 8.


Phenology: Flowering Aug–Oct.
Habitat: Grasslands, pine forests, sagebrush scrublands
Elevation: 1200–3400 m

Discussion

Variety shastensis is found in the Cascades, Sierra Nevada, and adjacent intermountain regions

Selected References

None.

Lower Taxa

None.
David R. Morgan +
(A. Gray) D. R. Morgan & R. L. Hartman +
Machaeranthera shastensis +
Calif. +, Nev. +  and Oreg. +
1200–3400 m +
Grasslands, pine forests, sagebrush scrublands +
Flowering Aug–Oct. +
Illustrated +
Aster shastensis +  and M. canescens var. shastensis +
Dieteria canescens var. shastensis +
Dieteria canescens +
variety +