Difference between revisions of "Perityle tenella"
Contr. Gray Herb. 56: 39. 1918.
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|common_names=Dixie or Springdale rock daisy | |common_names=Dixie or Springdale rock daisy | ||
| + | |special_status={{Treatment/ID/Special_status | ||
| + | |code=E | ||
| + | |label=Endemic | ||
| + | }}{{Treatment/ID/Special_status | ||
| + | |code=C | ||
| + | |label=Conservation concern | ||
| + | }} | ||
|basionyms={{Treatment/ID/Basionym | |basionyms={{Treatment/ID/Basionym | ||
|name=Laphamia palmeri var. tenella | |name=Laphamia palmeri var. tenella | ||
|authority=M. E. Jones | |authority=M. E. Jones | ||
| + | |rank=variety | ||
|publication_title=Proc. Calif. Acad. Sci., ser. | |publication_title=Proc. Calif. Acad. Sci., ser. | ||
|publication_place=2, 5: 703. 1895 | |publication_place=2, 5: 703. 1895 | ||
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|name=Laphamia palmeri | |name=Laphamia palmeri | ||
|authority=A. Gray | |authority=A. Gray | ||
| + | |rank=species | ||
|publication_title= | |publication_title= | ||
|publication_place=1878 | |publication_place=1878 | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Perityle tenella | name=Perityle tenella | ||
| − | |||
|authority=(M. E. Jones) J. F. Macbride | |authority=(M. E. Jones) J. F. Macbride | ||
|rank=species | |rank=species | ||
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|publication title=Contr. Gray Herb. | |publication title=Contr. Gray Herb. | ||
|publication year=1918 | |publication year=1918 | ||
| − | |special status= | + | |special status=Endemic;Conservation concern |
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/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 | ||
Latest revision as of 20:14, 5 November 2020
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
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.