Difference between revisions of "Pyrrocoma integrifolia"
Erythea 2: 69. 1894.
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|common_names=Smooth goldenweed | |common_names=Smooth goldenweed | ||
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|basionyms={{Treatment/ID/Basionym | |basionyms={{Treatment/ID/Basionym | ||
|name=Haplopappus integrifolius | |name=Haplopappus integrifolius | ||
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|publication title=Erythea | |publication title=Erythea | ||
|publication year=1894 | |publication year=1894 | ||
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| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V19-20-21/V20_963.xml |
|tribe=Asteraceae tribe Astereae | |tribe=Asteraceae tribe Astereae | ||
|genus=Pyrrocoma | |genus=Pyrrocoma | ||
Latest revision as of 21:06, 5 November 2020
Plants 12–50 cm. Stems 2–5, erect or ascending, red-tinged, glabrous or sparsely tomentose distally, eglandular. Leaves: basal petiolate, blades oblanceolate to spatulate, 70–210 × 10–35 mm, margins entire or undulate, ciliate; cauline sessile, linear-lanceolate, 30–80 × 2–10 mm, bases clasping; faces glabrous, eglandular. Heads usually 2–4 in racemiform arrays, sometimes borne singly. Peduncles 0–4 cm. Involucres hemispheric, 11–17 × 20–30 mm. Phyllaries in 2–3 series, oblanceolate to oblong, 7–13 mm, unequal, bases chartaceous, margins entire, densely ciliate, apices green, acuminate, faces glabrous. Ray florets 18–45; corollas 10–20 mm. Disc florets 80–100; corollas 6.5–10 mm. Cypselae oblong-fusiform, 5–7 mm, 4-angled, faces striate, glabrous; pappi tawny, 6–9 mm. 2n = 12.
Phenology: Flowering Jun–Sep.
Habitat: Alkaline meadows, grassy and shrubby openings in pine forests
Elevation: 1200–2100 m
Distribution
Idaho, Mont., Wyo.
Discussion
Pyrrocoma integrifolia is recognized by its short stature, entire leaves with undulate margins, and densely ciliate phyllaries. R. A. Mayes (1976) suggested that it is related to P. crocea, differing mainly in its unequal, densely ciliate, acuminate phyllaries.
Selected References
None.