Difference between revisions of "Erigeron wilkenii"
Madroño 37: 184, fig. 1. 1990.
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|discussion=<p>Of conservation concern.</p><!-- | |discussion=<p>Of conservation concern.</p><!-- | ||
| − | --><p>Erigeron wilkenii is known only from Pool Canyon in Dinosaur National Monument.</p> | + | --><p><i>Erigeron wilkenii</i> is known only from Pool Canyon in Dinosaur National Monument.</p> |
|tables= | |tables= | ||
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|publication year=1990 | |publication year=1990 | ||
|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/8f726806613d60c220dc4493de13607dd3150896/coarse_grained_fna_xml/V19-20-21/V20_655.xml |
|tribe=Asteraceae tribe Astereae | |tribe=Asteraceae tribe Astereae | ||
|genus=Erigeron | |genus=Erigeron | ||
Revision as of 15:25, 18 September 2019
Perennials, 10–20 cm (occurring mostly singly); taprooted, caudices simple or branches relatively slender. Stems erect, sparsely strigillose (hairs white, stiff), eglandular. Leaves mostly basal (persistent); (gray-green) blades narrowly oblanceolate to subspatulate, 9–62 × 1–5 mm, cauline linear-bractlike (bases enlarged, purplish-membranous), margins entire, faces sparsely and closely strigose, eglandular. Heads 1. Involucres 3.4–4.6 × 6–8.5 mm. Phyllaries in 2–3 series, sparsely hirsute, minutely glandular. Ray florets (8–)11–12; corollas adaxially white, abaxially light pink, 4.5–6 mm, laminae not coiling or reflexing. Disc corollas 2.2–3.5 mm. Cypselae ca. 1.8 mm, 2-nerved, faces sparsely strigose; pappi: outer apparently 0, inner of (12–)20–30 bristles.
Phenology: Flowering May–Jun.
Habitat: Sloping alluvium and colluvium at w-facing bases of sheer sandstone walls
Elevation: 1500–2300 m
Discussion
Of conservation concern.
Erigeron wilkenii is known only from Pool Canyon in Dinosaur National Monument.
Selected References
None.