Erigeron bigelovii

A. Gray

in W. H. Emory, Rep. U.S. Mex. Bound. 2(1): 78. 1859.

Common names: Bigelow’s fleabane
Treatment appears in FNA Volume 20. Treatment on page 348. Mentioned on page 269.

Perennials (often short-lived), 10–30 cm; taprooted, caudices woody, simple (stems and leaves arising from near roots). Stems erect (brittle, often subintricately branched), hispidulous (hairs sometimes downcurved or deflexed), eglandular. Leaves mostly cauline (basal abruptly withering); proximal cauline blades usually linear-oblong, rarely oblanceolate to obovate, 4–10(–20) × 2–6 mm, reduced distally, margins entire, faces hispid, minutely glandular. Heads 1(–3) per main branch, (–20–30 in later season on wiry, brittle branches). Involucres 4–5 × 6–8 mm. Phyllaries in (2–)3–4 series, glabrous or outer sparsely hispid, minutely glandular. Ray florets 20–40(–50); corollas white to pink or purplish, without abaxial midstripe, 5–9 mm, laminae not coiling or reflexing. Disc corollas 3.5–4 mm (throats slightly white-indurate and inflated). Cypselae 1.5–1.9 mm, 2-nerved, faces sparsely strigose; pappi: outer of scales, inner of 15–18(–23) bristles. 2n = 36.


Phenology: Flowering Apr–Nov (with available moisture).
Habitat: Rocky slopes and ledges, with Agave, Yucca, Dasylirion, Prosopis, Larrea
Elevation: (1000–)1500–2100 m

Distribution

V20-801-distribution-map.gif

N.Mex., Tex., Mexico (Chihuahua, Coahuila, Durango, Nuevo León, Zacatecas).

Discussion

Selected References

None.

Lower Taxa

None.
... more about "Erigeron bigelovii"
Guy L. Nesom +
A. Gray +
Bigelow’s fleabane +
N.Mex. +, Tex. +, Mexico (Chihuahua +, Coahuila +, Durango +, Nuevo León +  and Zacatecas). +
(1000–)1500–2100 m +
Rocky slopes and ledges, with Agave, Yucca, Dasylirion, Prosopis, Larrea +
Flowering Apr–Nov (with available moisture). +
in W. H. Emory, Rep. U.S. Mex. Bound. +
Achaetogeron +  and Trimorpha +
Erigeron bigelovii +
Erigeron +
species +