Difference between revisions of "Perityle cochisensis"
Sida 5: 123. 1973.
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|common_names=Cochise rock daisy | |common_names=Cochise rock daisy | ||
| − | |basionyms={{Treatment/ID/ | + | |special_status={{Treatment/ID/Special_status |
| + | |code=E | ||
| + | |label=Endemic | ||
| + | }}{{Treatment/ID/Special_status | ||
| + | |code=C | ||
| + | |label=Conservation concern | ||
| + | }} | ||
| + | |basionyms={{Treatment/ID/Basionym | ||
|name=Laphamia cochisensis | |name=Laphamia cochisensis | ||
|authority=W. E. Niles | |authority=W. E. Niles | ||
| + | |rank=species | ||
| + | |publication_title=Mem. New York Bot. Gard. | ||
| + | |publication_place=21(1): 47, fig. 28. 1970 | ||
}} | }} | ||
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name=Perityle cochisensis | name=Perityle cochisensis | ||
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|authority=(W. E. Niles) A. M. Powell | |authority=(W. E. Niles) A. M. Powell | ||
|rank=species | |rank=species | ||
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|publication title=Sida | |publication title=Sida | ||
|publication year=1973 | |publication year=1973 | ||
| − | |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_836.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, 4–12(–15+) cm (usually erect, compact, sometimes spreading, moderately to densely leafy); usually glabrate, sometimes sparsely or densely short-hairy, rarely sparsely villous. Leaves: petioles 5–30 mm (usually equal to or longer than blades); blades deltate-orbiculate, ovate, or subdeltate, 5–27 × 6–27 mm, irregularly lobed, lobes 3–5, ultimate margins serrate or lobed. Heads usually borne singly, 8–10 × ca. 10 mm. Peduncles 5–10 mm. Involucres broadly campanulate to hemispheric. Phyllaries 12–22, lanceolate to ovate, 4.5–6.5 × 1–2.5 mm. Ray florets 0. Disc florets 30–45(–60); corollas yellow, tubes 0.8–1 mm, throats funnelform to narrowly campanulate, 1.8–2 mm, lobes 0.6–0.8 mm. Cypselae oblong to narrowly oblanceolate, 2.5–3 mm, margins thin-calloused, sparsely short-ciliate; pappi usually of 1(–2) unequal, distally subplumose bristles 2–2.5 mm, sometimes 0. 2n = 34.
Phenology: Flowering spring–fall.
Habitat: Granite rock crevices in canyons
Elevation: 1500–2100 m
Discussion
Of conservation concern.
Perityle cochisensis is known only from the Chiricahua Mountains of southeastern Arizona. Some collections of P. lemmonii from the Big Hatchet Mountains of Hidalgo County in southwestern New Mexico may have petioles approaching the length of the blades as in P. cochisensis. The densely pilose or villous induments of those New Mexican plants is similar to that of P. lemmonii.
Selected References
None.