Erigeron canus

A. Gray

Mem. Amer. Acad. Arts, n. s. 4: 67. 1849.

Common names: Hoary fleabane
Synonyms: Erigeron phoenicodontus S. F. Blake
Treatment appears in FNA Volume 20. Treatment on page 297. Mentioned on page 260, 276.

Perennials, 5–35 cm; taprooted, caudex branches relatively thick, usually retaining old leaf bases. Stems erect, densely white strigoso-canescent, eglandular. Leaves mostly basal (persistent, ± erect; leaf bases broadened or not, not thickened and whitish-indurate); blades linear-oblanceolate to oblanceolate, 20–100 × 2–5(–7) mm, cauline sharply reduced or 0 (restricted to proximal 1/4–1/2), margins entire, faces densely white strigoso-canescent, eglandular. Heads 1(–4). Involucres 5–7 × 9–16 mm. Phyllaries in 3–4 series, densely hirsute to strigoso-hirsute, minutely glandular. Ray florets 20–50(–70); corollas white to light blue, 7–12 mm, laminae reflexing, sometimes tardily. Disc corollas 3.7–5.6 mm. Cypselae (nearly terete,) 2.8–3.5 mm, (8–)10–14-nerved, faces glabrous; pappi: outer of setae or bristles, inner of 24–36 bristles. 2n = 18.


Phenology: Flowering May–Jul(–Aug).
Habitat: Dry hills, grasslands, often in gravelly or shaley soil, sagebrush, pinyon-juniper, pine-oak, oak
Elevation: 1700–2700 m

Distribution

V20-632-distribution-map.gif

Ariz., Colo., Kans., Nebr., N.Mex., Okla., S.Dak., Utah, Wyo., Mexico (Chihuahua).

Discussion

Selected References

None.

Lower Taxa

None.
... more about "Erigeron canus"
Guy L. Nesom +
A. Gray +
Hoary fleabane +
Ariz. +, Colo. +, Kans. +, Nebr. +, N.Mex. +, Okla. +, S.Dak. +, Utah +, Wyo. +  and Mexico (Chihuahua). +
1700–2700 m +
Dry hills, grasslands, often in gravelly or shaley soil, sagebrush, pinyon-juniper, pine-oak, oak +
Flowering May–Jul(–Aug). +
Mem. Amer. Acad. Arts, n. s. +
Erigeron phoenicodontus +
Erigeron canus +
Erigeron +
species +