Difference between revisions of "Perityle fosteri"

A. M. Powell

Madroño 30: 217, fig. 1. 1983.

Common names: Foster’s rock daisy
Treatment appears in FNA Volume 21. Treatment on page 319. Mentioned on page 318.
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|publication year=1983
 
|publication year=1983
 
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|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/eaa6e58056e40c9ef614d8f47aea294977a1a5e9/coarse_grained_fna_xml/V19-20-21/V21_791.xml
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|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f50eec43f223ca0e34566be0b046453a0960e173/coarse_grained_fna_xml/V19-20-21/V21_791.xml
 
|tribe=Asteraceae tribe Heliantheae
 
|tribe=Asteraceae tribe Heliantheae
 
|subtribe=Asteraceae (tribe Heliantheae) subtribe Peritylinae
 
|subtribe=Asteraceae (tribe Heliantheae) subtribe Peritylinae

Revision as of 20:40, 16 December 2019

Plants 6–15 cm (forming mats on rock faces, profusely branched, leafy); short-hairy. Leaves: petioles 4–8 mm; blades ± ovate to deltate overall, 5–12 × 5–12 mm, 3-lobed, ultimate margins entire. Heads borne singly or in corymbiform arrays, 6–7 × ca. 4 mm. Peduncles 2–5 mm. Involucres funnelform-cylindric. Phyllaries ca. 8, linear-lanceolate, 5–6 × 0.8–1.3 mm. Disc florets ca. 10; corollas cream to pale yellow, tubes 1 mm, throats tubular-funnelform, 3 mm, lobes 0.5 mm. Cypselae 1.5–1.6 mm; pappi of ca. 20 bristles 1–2 mm. 2n = 34.


Phenology: Flowering spring–fall.
Habitat: Rock faces in protected canyons
Elevation: 1500–1660 m

Discussion

Of conservation concern.

Perityle fosteri, possibly a close relative of P. rupestris, is known only from Culberson County.

Selected References

None.

Lower Taxa

None.