Difference between revisions of "Erigeron bigelovii"
in W. H. Emory, Rep. U.S. Mex. Bound. 2(1): 78. 1859.
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|accepted_name=Erigeron bigelovii | |accepted_name=Erigeron bigelovii | ||
| − | |accepted_authority=A. Gray | + | |accepted_authority=A. Gray |
|publications={{Treatment/Publication | |publications={{Treatment/Publication | ||
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name=Erigeron bigelovii | name=Erigeron bigelovii | ||
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|rank=species | |rank=species | ||
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|tribe=Asteraceae tribe Astereae | |tribe=Asteraceae tribe Astereae | ||
|genus=Erigeron | |genus=Erigeron | ||
Latest revision as of 20:05, 5 November 2020
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
N.Mex., Tex., Mexico (Chihuahua, Coahuila, Durango, Nuevo León, Zacatecas).
Discussion
Selected References
None.