Flora of North America species comparison

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Clarkia gracilis subsp. albicaulis

Clarkia gracilis subsp. tracyi
Photo is of parent taxon

white stem clarkia
Photo is of parent taxon

Tracy's clarkia
Flowers

petals pinkish lavender to light purple shading to white near middle, base bright red, 30–40 mm;

stigma exserted beyond anthers.

petals pinkish lavender, base red, unspotted, 20–30 mm;

stigma exserted beyond anthers.
2n

= 28.

= 28.

Clarkia gracilis subsp. albicaulis

Clarkia gracilis subsp. tracyi
Phenology Flowering May–Jul. Flowering May–Jul.
Habitat Woodlands. Wood­lands, serpentine soil.
Elevation 500 m. (1600 ft.) 100–500 m. (300–1600 ft.)
Distribution
from FNA
CA
[BONAP county map]
from FNA
CA
[BONAP county map]
Discussion

Subspecies albicaulis is found in foothill woodlands around the upper Sacramento Valley, mainly in Butte, Colusa, Lake, and Tehama counties, less commonly in Lassen, Mariposa, Modoc, Shasta, and Solano counties.

(Discussion copyrighted by Flora of North America; reprinted with permission.)

Subspecies tracyi is known from the Inner North Coast Ranges, mainly in Colusa, Lake, and Napa counties, less commonly in Humboldt, Mendocino, Sonoma, Tehama, and Yolo counties.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 10. FNA vol. 10.
Parent taxa Onagraceae > subfam. Onagroideae > tribe Onagreae > Clarkia > sect. Rhodanthos > subsect. Jugales > Clarkia gracilis Onagraceae > subfam. Onagroideae > tribe Onagreae > Clarkia > sect. Rhodanthos > subsect. Jugales > Clarkia gracilis
Sibling taxa
C. gracilis subsp. gracilis, C. gracilis subsp. sonomensis, C. gracilis subsp. tracyi
C. gracilis subsp. albicaulis, C. gracilis subsp. gracilis, C. gracilis subsp. sonomensis
Synonyms Godetia amoena var. albicaulis Godetia cylindrica var. tracyi
Name authority (Jepson) H. Lewis & M. E. Lewis: Madroño 12: 33. (1953) (Jepson) Abdel-Hameed & R. Snow: Amer. J. Bot. 55: 1048. (1968)
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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