Difference between revisions of "Chaenactis carphoclinia var. peirsonii"

(Jepson) Munz

Man. S. Calif. Bot. 601. 1935.

Common names: Peirson pincushion
EndemicConservation concern
Basionym: Chaenactis peirsonii Jepson Madroño 1: 259. 1929
Treatment appears in FNA Volume 21. Treatment on page 403. Mentioned on page 402.
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|publication year=1935
 
|publication year=1935
 
|special status=Endemic;Conservation concern
 
|special status=Endemic;Conservation concern
|source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-data-curation.git/src/bb6b7e3a7de7d3b7888a1ad48c7fd8f5c722d8d6/coarse_grained_fna_xml/V19-20-21/V21_1014.xml
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|source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V19-20-21/V21_1014.xml
 
|tribe=Asteraceae tribe Heliantheae
 
|tribe=Asteraceae tribe Heliantheae
 
|subtribe=Asteraceae (tribe Heliantheae) subtribe Chaenactidinae
 
|subtribe=Asteraceae (tribe Heliantheae) subtribe Chaenactidinae

Latest revision as of 20:07, 5 November 2020

Plants mostly 40–60 cm. Leaves ± basal, longest 7–10 cm; petioles dilated proximally, ± indurate.


Phenology: Flowering Mar–Apr.
Habitat: Open, rocky or gravelly desert slopes and flats, shrublands
Elevation: 0–200 m

Discussion

Of conservation concern.

Variety peirsonii is known from the eastern Santa Rosa Mountains and adjacent Salton Sea area near the common border of Imperial, Riverside, and San Diego counties. Unlike var. attenuata, in which it has sometimes been included, var. peirsonii is geographically and morphologically well defined.

Selected References

None.

Lower Taxa

None.
James D. Morefield +
(Jepson) Munz +
Chaenactis peirsonii +
Peirson pincushion +
0–200 m +
Open, rocky or gravelly desert slopes and flats, shrublands +
Flowering Mar–Apr. +
Man. S. Calif. Bot. +
Endemic +  and Conservation concern +
Undefined (tribe Undefined) subtribe Bahiinae +  and Undefined (tribe Undefined) subtribe Palafoxiinae +
Chaenactis carphoclinia var. peirsonii +
Chaenactis carphoclinia +
variety +