Difference between revisions of "Perityle tenella"
Contr. Gray Herb. 56: 39. 1918.
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|name=Laphamia palmeri var. tenella | |name=Laphamia palmeri var. tenella | ||
|authority=M. E. Jones | |authority=M. E. Jones | ||
− | }}{{Treatment/ID/Synonym | + | }} {{Treatment/ID/Synonym |
|name=Laphamia palmeri | |name=Laphamia palmeri | ||
|authority=A. Gray | |authority=A. Gray | ||
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|distribution=Ariz.;Nev.;Utah. | |distribution=Ariz.;Nev.;Utah. | ||
|discussion=<p>Of conservation concern.</p><!-- | |discussion=<p>Of conservation concern.</p><!-- | ||
− | --><p>Similarities of Perityle tenella to P. congesta are discussed under the latter. Perityle tenella occurs in northwestern Arizona, southeastern Nevada, and southwestern Utah.</p> | + | --><p>Similarities of <i>Perityle tenella</i> to <i>P. congesta</i> are discussed under the latter. <i>Perityle tenella</i> occurs in northwestern Arizona, southeastern <i>Nevada</i>, and southwestern Utah.</p> |
|tables= | |tables= | ||
|references= | |references= | ||
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|publication year=1918 | |publication year=1918 | ||
|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/V21_818.xml |
|tribe=Asteraceae tribe Heliantheae | |tribe=Asteraceae tribe Heliantheae | ||
|subtribe=Asteraceae (tribe Heliantheae) subtribe Peritylinae | |subtribe=Asteraceae (tribe Heliantheae) subtribe Peritylinae |
Revision as of 16:37, 18 September 2019
Perennials or subshrubs, (5–)15–30(–35) cm (stems erect to pendulous often densely leafy); usually densely short-hairy. Leaves: petioles 2–8 mm; blades usually broadly deltate-ovate, sometimes subovate or subcordate, 5–18(–25) × 4–18(–20) mm, (bases truncate) margins usually ± serrate, rarely laciniate. Heads borne singly or (2–10) in corymbiform arrays, 6–7 × 4–6 mm. Peduncles 4–25 mm. Involucres campanulate. Phyllaries 13–20, linear to narrowly or broadly lanceolate, 4–5(–6) × 0.8–1.3 mm. Ray florets 0. Disc florets 23–35(–48); corollas yellow, tubes (1–)1.2–1.6 mm, throats tubular to narrowly funnelform, 1.2–1.6(–2.2) mm, lobes 0.3–0.7 mm. Cypselae narrowly oblanceolate, 2.5–3.3 mm, margins obviously calloused, minutely hairy; pappi 0 or of 1(–3) moderately stout bristles 2–2.8(–4.1) mm plus callous crowns. 2n = 32.
Phenology: Flowering spring–fall.
Habitat: Rocky slopes or crevices in limestone or sandstone rock faces
Elevation: 600–2700 m
Distribution
![V21-818-distribution-map.gif](/w/images/c/cf/V21-818-distribution-map.gif)
Ariz., Nev., Utah.
Discussion
Of conservation concern.
Similarities of Perityle tenella to P. congesta are discussed under the latter. Perityle tenella occurs in northwestern Arizona, southeastern Nevada, and southwestern Utah.
Selected References
None.