Taxon Details

Delphinium californicum ssp. interius

Hospital Canyon larkspur

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Taxon Summary:

Delphinium californicum ssp. interius, commonly known as Hospital Canyon larkspur, is a perennial herb in the Ranunculaceae that is found only in California. It occurs within Chaparral (openings), Cismontane woodland (mesic), and Coastal scrub, growing at elevations from 195 to 1095 meters. Delphinium californicum ssp. interius is ranked 1B.2, Plants Rare, Threatened or Endangered in California and Elsewhere; Moderately threatened in California.

Scientific Name:
Delphinium californicum T. & G. ssp. interius (Eastw.) Ewan
Common Name:
Hospital Canyon larkspur
Family: Ranunculaceae
Element Code: PDRAN0B0A2
USDA Plants Symbol: DECAI
Synonyms/Other Names:
Name Status: JEF, FNA, POWO,
IPNI, Tropicos
Lifeform: perennial herb
Blooming Period: Apr-Jun
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Elevation:
195 - 1095 meters
640 - 3595 feet
General Habitats:
  • Chaparral (openings)
  • Cismontane woodland (mesic)
  • Coastal scrub
Microhabitat Details:
Microhabitat:
Notes:
Threatened by vehicles and recreational activities. See Leaflets of Western Botany 2:137 (1938) for original description.
Threats:
Taxonomy:
Threat List Total: 8
Total EOs % of EOs
EOs with Threat Listed: 9 32 %
THREAT LIST:
Non-native plant impacts 3 10%
Grazing 2 7%
Agriculture 1 3%
Feral pigs 1 3%
ORV activity 1 3%
Total Occurrences: 28
Element Occurrence Ranks:
A B C D X U
7 5 3 0 0 13
Occurrence Status:
Historical >20 Years 14
Recent <=20 Years 14
Presence:
Presumed Extant 28
Possibly Extirpated 0
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
California (CA)
California Counties and Islands: Name (Code)
Alameda (ALA), Contra Costa (CCA), Merced (MER), Monterey (MNT), San Benito (SBT), San Joaquin (SJQ), Santa Clara (SCL), Stanislaus (STA)
Quads: Name (Quad Code)
Altamont (3712166), Bickmore Canyon (3612152), Clayton (3712188), Crevison Peak (3712122), Diablo (3712178), Eylar Mtn. (3712145), Gilroy Hot Springs (3712114), Isabel Valley (3712135), La Costa Valley (3712157), Llanada (3612058), Lone Tree Creek (3712154), Mendenhall Springs (3712156), Midway (3712165), Mt. Boardman (3712144), North Chalone Peak (3612142), San Benito (3612151), Seaside (3612157), Topo Valley (3612141)
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.
Presumed Extant
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