Erigeron arenarioides

(D. C. Eaton ex A. Gray) A. Gray ex Rydberg

Fl. Rocky Mts., 1067. 1917.

Common names: Wasatch fleabane
Basionym: Aster arenarioides D. C. Eaton ex A. Gray Proc. Amer. Acad. Arts 8: 647. 1873
Treatment appears in FNA Volume 20. Treatment on page 292. Mentioned on page 260, 272.
Revision as of 20:29, 16 December 2019 by FNA>Volume Importer

Perennials, 6–25(–30) cm; taprooted, caudex branches relatively thick, retaining old leaf bases. Stems erect or ascending, wiry, glabrous, usually eglandular, sometimes minutely glandular distally. Leaves basal (usually persistent) and cauline; basal blades linear-oblanceolate to linear or filiform (usually folding), 15–60(–80) × 0.5–2(–5) mm, cauline gradually reduced distally, margins entire, sometimes sparsely ciliate (cilia ascending-appressed), faces abaxially glabrous, adaxially sparsely strigose, eglandular. Heads 1–3(–9). Involucres 4–6 × 7–10 mm. Phyllaries in 2–3 series (often purple-tipped), glabrous, densely minutely glandular. Ray florets 10–25; corollas blue, 4–8 mm, laminae not coiling or reflexing. Disc corollas 2.5–4.2 mm. Cypselae 1.5–2.2 mm, 2-nerved, faces sparsely strigose; pappi: outer of setae, inner of 10–16 bristles.


Phenology: Flowering Jun–Aug.
Habitat: Crevices in limestone and quartzite outcrops and cliffs, rarely in beach sand, oak-maple, mountain brush-white fir
Elevation: (1300–)1600–2900(–3600) m

Discussion

Selected References

None.

Lower Taxa

None.
... more about "Erigeron arenarioides"
Guy L. Nesom +
(D. C. Eaton ex A. Gray) A. Gray ex Rydberg +
Aster arenarioides +
Wasatch fleabane +
(1300–)1600–2900(–3600) m +
Crevices in limestone and quartzite outcrops and cliffs, rarely in beach sand, oak-maple, mountain brush-white fir +
Flowering Jun–Aug. +
Fl. Rocky Mts., +
Illustrated +  and Endemic +
Achaetogeron +  and Trimorpha +
Erigeron arenarioides +
Erigeron +
species +