Erigeron peregrinus |
Erigeron peregrinus var. thompsonii |
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subalpine daisy, subalpine fleabane, wandering daisy, wandering fleabane |
Thompson's wandering fleabane |
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Habit | Perennials, 5–55(–70) cm; rhizomatous, fibrous-rooted, caudices usually simple, thick. | |||||
Stems | erect to basally ascending, hirsute to hirsuto- or strigoso-villous (hairs loosely appressed, slightly crinkled), sometimes loosely strigose distally (var. thompsonii), eglandular. |
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Leaves | basal (persistent) and cauline; basal blades linear-oblanceolate to broadly lanceolate or spatulate, (30–)50–100 × 5–25 mm; cauline gradually reduced distally (bases distinctly subclasping, except when greatly reduced), margins entire, faces hirsute, hirsuto-villous, sparsely villosulous, glabrate, or glabrous, eglandular. |
faces sparsely villosulous to glabrate. |
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Peduncles | finely villous (hairs spreading-crinkly), sometimes loosely strigose distally. |
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Involucres | 5–9(–12) × 10–22(–25) mm. |
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Ray florets/ |
30–80; corollas usually blue to rose purple or pink, sometimes white to pale blue, 12–20(–25) mm (mostly 1.5–3 mm wide), laminae coiling. |
white. |
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Disc corollas | 3.5–4.5 mm. |
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Phyllaries | in 2–3(–4) series (margins usually ciliate), abaxially sparsely to moderately villoso-hirsute, usually eglandular, sometimes sparsely gland-dotted apically, rarely sparsely so over adaxial faces (especially in var. thompsonii). |
margins sometimes barely ciliate, abaxial faces sparsely hirsuto-villous to glabrate, essentially eglandular or sparsely minutely glandular. |
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Heads | 1. |
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Cypselae | 2.5–2.8 mm, (4–)5(–7)-nerved, faces sparsely strigose; pappi: outer of setae, inner of 20–32 bristles. |
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Erigeron peregrinus |
Erigeron peregrinus var. thompsonii |
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Phenology | Flowering Jun–Aug. | |||||
Habitat | Clearings in conifer woodlands, subalpine meadows, bogs | |||||
Elevation | 900–1800 m (3000–5900 ft) | |||||
Distribution |
AK; WA; AB; BC; YT
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WA |
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Discussion | Varieties 2 (2 in the flora). (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Of conservation concern. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
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Key |
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Source | FNA vol. 20, p. 327. | FNA vol. 20, p. 328. | ||||
Parent taxa | Asteraceae > tribe Astereae > Erigeron | Asteraceae > tribe Astereae > Erigeron > Erigeron peregrinus | ||||
Sibling taxa | ||||||
Subordinate taxa | ||||||
Synonyms | Aster peregrinus | E. thompsonii | ||||
Name authority | (Banks ex Pursh) Greene: Pittonia 3: 166. (1897) | (S. F. Blake ex J. W. Thompson) Cronquist: Brittonia 6: 144. (1947) | ||||
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