familyPolygonaceae
subfamilyPolygonaceae subfam. Eriogonoideae
genusChorizanthe
subgenusChorizanthe subg. Amphietes
speciesChorizanthe xanti
Chorizanthe xanti var. leucotheca
Ann. Missouri Bot. Gard. 21: 60. 1934.
Common names: Whitewater spineflower
Endemic
Synonyms: Chorizanthe xanti subsp. leucotheca (Goodman) Munz
Involucres densely white-pubescent.
Phenology: Flowering Apr–Jun.
Habitat: Sandy to gravelly places in saltbush communities, pinyon-juniper and pine-oak woodlands
Elevation: (60-)400-1300 m
Discussion
Variety leucotheca is infrequent and localized in the eastern San Bernardino Mountains of San Bernardino County and on the eastern slopes of the San Jacinto Mountains in Riverside County. The dense tomentum on the involucres completely obscures the reddish hue of the involucral surface.
Selected References
None.
Lower Taxa
None.