Flora of North America species comparison

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Chaenactis carphoclinia var. peirsonii
Photo is of parent taxon

Peirson pincushion, Peirson's pincushion
Habit Plants mostly 40–60 cm.
Leaves

± basal, longest 7–10 cm;

petioles dilated proximally, ± indurate.

Chaenactis carphoclinia var. peirsonii
Phenology Flowering Mar–Apr.
Habitat Open, rocky or gravelly desert slopes and flats, shrublands
Elevation 0–200 m (0–700 ft)
Distribution
from FNA
CA
[BONAP county map]
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.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 21, p. 403.
Parent taxa Asteraceae > tribe Heliantheae > subtribe Chaenactidinae > Chaenactis > sect. Acarphaea > Chaenactis carphoclinia
Sibling taxa
C. carphoclinia var. carphoclinia
Synonyms C. peirsonii
Name authority (Jepson) Munz: Man. S. Calif. Bot. 601. (1935)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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