Difference between revisions of "Pyrrocoma crocea"
Erythea 2: 69. 1894.
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|common_names=Curly-head goldenweed | |common_names=Curly-head goldenweed | ||
| + | |special_status={{Treatment/ID/Special_status | ||
| + | |code=F | ||
| + | |label=Illustrated | ||
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| + | |code=E | ||
| + | |label=Endemic | ||
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|basionyms={{Treatment/ID/Basionym | |basionyms={{Treatment/ID/Basionym | ||
|name=Haplopappus croceus | |name=Haplopappus croceus | ||
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| − | |distribution= | + | |distribution=Ariz.;Colo.;N.Mex.;Utah;Wyo. |
|discussion=<p>Varieties 2 (2 in the flora).</p><!-- | |discussion=<p>Varieties 2 (2 in the flora).</p><!-- | ||
--><p><i>Pyrrocoma crocea</i> is recognized by its thick stems, large, firm leaves, and large heads with oblong to spatulate phyllaries. H. M. Hall (1928) considered it the ancestral form of <i>Pyrrocoma</i> because of its large heads, numerous florets, long rays, and short style-branch appendages. R. A. Mayes (1976) suggested it is closely related to <i>P. integrifolia</i>.</p> | --><p><i>Pyrrocoma crocea</i> is recognized by its thick stems, large, firm leaves, and large heads with oblong to spatulate phyllaries. H. M. Hall (1928) considered it the ancestral form of <i>Pyrrocoma</i> because of its large heads, numerous florets, long rays, and short style-branch appendages. R. A. Mayes (1976) suggested it is closely related to <i>P. integrifolia</i>.</p> | ||
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|basionyms=Haplopappus croceus | |basionyms=Haplopappus croceus | ||
|family=Asteraceae | |family=Asteraceae | ||
| − | |distribution= | + | |distribution=Ariz.;Colo.;N.Mex.;Utah;Wyo. |
|reference=None | |reference=None | ||
|publication title=Erythea | |publication title=Erythea | ||
|publication year=1894 | |publication year=1894 | ||
| − | |special status= | + | |special status=Illustrated;Endemic |
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V19-20-21/V20_955.xml |
|tribe=Asteraceae tribe Astereae | |tribe=Asteraceae tribe Astereae | ||
|genus=Pyrrocoma | |genus=Pyrrocoma | ||
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| + | [[Category:Pyrrocoma]] | ||
| + | [[Category:Revised Since Print]] | ||
Latest revision as of 18:29, 6 November 2020
Plants (10–)18–80 cm. Stems 2–10, erect or ascending, pale or reddish, often stout, usually glabrous, often tomentose distally. Leaves: basal petiolate, blades oblanceolate to spatulate or narrowly elliptic, 80–450 × 5–60 mm (firm, leathery, succulent), margins entire or undulate, eciliate, apices acute or obtuse, faces usually glabrous, rarely puberulent, eglandular; cauline sessile, blades lanceolate, 10–120 × 5–30 mm, bases clasping. Heads usually borne singly, terminal, sometimes 2–6 (not subtended by leaflike bracts). Peduncles 1–5 cm. Involucres hemispheric, 10–20 × 15–60 mm. Phyllaries in 2–3 series (loose), usually green, sometimes yellowish, oblong to spatulate, 9–15 mm, subequal, margins pale, entire or denticulate, eciliate, apices ± erect, obtuse, broad. Ray florets 30–90; corollas (bright yellow) 9–30 mm. Disc florets 100+; corollas 7–13 mm. Cypselae narrowly oblong, compressed, 5–8 mm, 4-angled, faces striate, glabrous; pappi tawny, 6–12 mm.
Distribution
Ariz., Colo., N.Mex., Utah, Wyo.
Discussion
Varieties 2 (2 in the flora).
Pyrrocoma crocea is recognized by its thick stems, large, firm leaves, and large heads with oblong to spatulate phyllaries. H. M. Hall (1928) considered it the ancestral form of Pyrrocoma because of its large heads, numerous florets, long rays, and short style-branch appendages. R. A. Mayes (1976) suggested it is closely related to P. integrifolia.
Selected References
None.
Key
| 1 | Plants 30–80 cm, robust; heads usually borne singly; involucres 15–20 × 20–40 mm; ray florets 13–30 mm | Pyrrocoma crocea var. crocea |
| 1 | Plants 10–30 cm, slender; heads usually 2–6, occasionally 1; involucres 10–15 × 15–20 mm; ray florets 9–12 mm | Pyrrocoma crocea var. genuflexa |