Species Details

Clarkia gracilis ssp. albicaulis

white-stemmed clarkia

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Scientific Name:
Clarkia gracilis (Piper) Nels. & Macbr. ssp. albicaulis (Jeps.) Lewis & Lewis
Common Name:
white-stemmed clarkia
Family: Onagraceae
Element Code: PDONA050J1
USDA Plants Symbol: CLGRA
Synonyms/Other Names:
Lifeform: annual herb
Blooming Period: May-Jul
Elevation:
245 - 1085 meters
805 - 3560 feet
General Habitat:
  • Chaparral
  • Cismontane woodland
General Micro Habitat:
Micro Habitat:
  • Serpentinite (sometimes)
Notes:
 Threatened by urbanization and non-native plants. Possibly threatened by erosion and road maintenance. See University of California Publications in Botany 2:239 (1907) for original description and 20:241-392 (1955) for taxonomic treatment.
Threats:


Taxonomy:
Other:
Total Occurrences: 32
Element Occurrence Ranks:
A B C D X U
4 10 2 0 0 16
Occurrence Status:
Historical >20 Years 20
Recent <=20 Years 12
Presence:
Presumed Extant 32
Possibly Extirpated 0
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
California (CA)
California Counties and Islands: Name (Code)
Butte (BUT), Tehama (TEH)
Quads: Name (Quad Code)
Acorn Hollow (4012118), Barkley Mtn. (4012126), Berry Creek (3912164), Cherokee (3912165), Cohasset (3912186), Devils Parade Ground (4012116), Forbestown (3912153), Ishi Caves (4012117), Paradise East (3912175), Paradise West (3912176), Pulga (3912174), Richardson Springs (3912177), Stirling City (3912185)
Notes:
Definitions of codes following a county and/or quad:
* Presumed extirpated
(?) Occurrence confirmed, but possibly extirpated
Quad and county data is imported from the CNDDB. Species may be present in other areas where conditions are favorable. These data should NOT be substituted for pre-project review or for on-site surveys.

Map

Presumed Extant
Counties   Quads