Flora of North America species comparison

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Chorizanthe xanti var. xanti
Photo is of parent taxon

pinyon spineflower, riverside spineflower, Xantus' spineflower
Involucres

thinly pubescent.
2n

= 38, 42.

Chorizanthe xanti var. xanti
Phenology Flowering Apr–Jul.
Habitat Sandy to gravelly places in mixed grassland, saltbush and chaparral communities, pine-oak woodlands
Elevation (60-)300-1600 m ((200-)1000-5200 ft)
Distribution
from FNA
CA
[BONAP county map]
Discussion

Variety xanti is found in the Coast Ranges from western Merced, eastern Monterey, and San Benito counties south to the Transverse Ranges of northern Santa Barbara and Ventura counties, thence eastward along the northern foothills of the San Gabriel and San Bernardino mountains to extreme southwestern San Bernardino County, and then northward through the Tehachapi Mountains of central and eastern Kern County onto the foothills of the Sierra Nevada, going as far north as Madera County. In 1935, a disjunct population was sampled near Benton Station in southern Mono County (Robinson & Lindner 20, RSA) but it has not been recollected.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 5, p. 464.
Parent taxa Polygonaceae > subfam. Eriogonoideae > Chorizanthe > subg. Amphietes > sect. Ptelosepala > Chorizanthe xanti
Sibling taxa
C. xanti var. leucotheca
Name authority unknown
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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