Difference between revisions of "Erigeron pringlei"
Proc. Amer. Acad. Arts 17: 210. 1882.
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|tribe=Asteraceae tribe Astereae | |tribe=Asteraceae tribe Astereae | ||
|genus=Erigeron | |genus=Erigeron | ||
Revision as of 16:25, 18 September 2019
Perennials, 4–16 cm; taprooted, caudex branches relatively thick, short, retaining old leaf bases. Stems erect, sparsely to moderately strigose, eglandular. Leaves basal (persistent) and cauline; basal blades obovate-spatulate, (10–)20–60 × 4–10 mm, margins apically 3-lobed to pinnatifid (lobes 2–3(–5) pairs), faces sparsely strigose, eglandular; cauline blades narrowly oblanceolate, gradually reduced distally, margins entire. Heads 1(–3). Involucres 3.5–4.5 × 5–6 mm. Phyllaries in 3–4 series (purplish), glabrous or sparsely strigose, minutely glandular. Ray florets 20–35; corollas white to pinkish, sometimes with abaxial lilac midstripe, 6–8 mm, laminae reflexing. Disc corollas 2.5–3.5 mm. Cypselae 1.2–1.6 mm, 2-nerved, faces sparsely strigose; pappi: outer of setae or lanceolate scales, inner (persistent) of 11–16 bristles.
Phenology: Flowering May–Aug(–Sep).
Habitat: Ledges and crevices, usually shaded
Elevation: 1500–2800 m
Discussion
Of conservation concern.
Selected References
None.