Regularity: Regularly occurring
Global Range: California endemic, Inyo, Kern, and Tulare Counties.
Catalog Number: US 2946067
Collection: Smithsonian Institution, National Museum of Natural History, Department of Botany
Verification Degree: Original publication and alleged type specimen examined
Preparation: Pressed specimen
Collector(s): C. N. Smith
Year Collected: 1940
Locality: Sierra Nevada, Nine-Mile Canyon., Inyo, California, United States, North America
Elevation (m): 1829 to 1905
- Isotype: Jepson, W. L. 1943. Fl. Calif. 3: 276.
Comments: Joshua tree "woodland", Mohavean desert scrub, pinyon and juniper woodland, granitic soils.
National NatureServe Conservation Status
Rounded National Status Rank: N3 - Vulnerable
NatureServe Conservation Status
Rounded Global Status Rank: G3 - Vulnerable
Reasons: Endemic to California, Phacelia nashiana is known from Inyo, Kern, and Tulare Counties. Vehicle activity and grazing are threats to this species.
Comments: Vehicle activity and grazing.
Phacelia nashiana is a species of phacelia known by the common name Charlotte's phacelia. It is endemic to California, where it is known only from the ecotone where the lower Sierra Nevada and Tehachapi Mountains transition into the Mojave Desert. It grows in scrub and woodland and on granite mountain slopes. 
Phacelia nashiana is a mostly erect annual herb producing a small branching or unbranched stem up to about 8 centimetres (3.1 in) tall. It is coated in short, stiff, and gland-tipped black hairs. The leaves, which are mostly arranged around the base of the stem, have shallowly lobed oval or rounded blades on petioles a few centimeters long.
The hairy, glandular inflorescence is a one-sided curving or coiling cyme of bell-shaped flowers. Each flower is 1 to 2 centimeters long and brilliant deep blue in color with usually five small white spots above the white tubular throat. It has five protruding stamens tipped with white anthers.
- Plant communities with Phacelia nashiana include:
- Calflora database: Phacelia nashiana (Charlotte's phacelia) . accessed 2.12.2013
- Jepson Manual Treatment — Phacelia nashiana
- USDA Plants Profile: Phacelia nashiana
- Phacelia nashiana Photo gallery
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