Difference between revisions of "Erigeron rydbergii"
Brittonia 6: 191. 1947.
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name=Erigeron rydbergii | name=Erigeron rydbergii | ||
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|authority=Cronquist | |authority=Cronquist | ||
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|publication year=1947 | |publication year=1947 | ||
|special status= | |special status= | ||
| − | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/ | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/eaa6e58056e40c9ef614d8f47aea294977a1a5e9/coarse_grained_fna_xml/V19-20-21/V20_620.xml |
|tribe=Asteraceae tribe Astereae | |tribe=Asteraceae tribe Astereae | ||
|genus=Erigeron | |genus=Erigeron | ||
Revision as of 20:29, 16 December 2019
Perennials, 2.5–6 cm; taprooted, caudex branches relatively short, thick. Stems erect, finely hirsutulous to villosulous, eglandular. Leaves mostly basal (persistent); blades linear-oblanceolate to narrowly spatulate, 10–50 × 1–3 mm, cauline mostly on proximal 1/2 of stems, reduced distally, margins entire (apices obtuse to rounded), abaxial faces glabrous, adaxial glabrous or sparsely villous, eglandular. Heads 1. Involucres 5–6 × 7–12 mm. Phyllaries in 2–3 series, densely and finely hirsuto-villous (hairs without colored cross walls), minutely and inconspicuously glandular. Ray florets 15–35; corollas usually bluish to purplish, rarely white, 6–9 mm, laminae coiling. Disc corollas 3.7–5 mm. Cypselae 1.8–2 mm, 2-nerved, faces sparsely strigose; pappi: outer of setae, inner of 15–20 bristles.
Phenology: Flowering Jun–Aug.
Habitat: Open subalpine to alpine slopes
Elevation: 2000–3200 m
Distribution
Idaho, Mont., Wyo.
Discussion
Selected References
None.