Delphinium californicum subsp. interius

Hospital Canyon larkspur

Rarity

CNPS-EB: *A2
State CNPS: 1B.2
Global Rank: G3T3
CNDDB Rank: S3

8 current natural populations

Criteria:
  • N Limit

Ecology

Flowers April - June
Habitats:
  • Serpentine or Serpentine-derived soils
  • Woodland

Synonyms

  • Delphinium californicum var. interius

Populations

Key
LocationPop IDLast RecordedNotes
Black Diamond Rgnl Preserve122016-04-14
Mines Road/Arryo Mocho72024-05-29
Mt. Diablo State Park - North side42003-06-30
Ohlone Rgnl Wilderness92023-06-09
Ohlone Rgnl Wilderness132023-06-09
Ohlone Rgnl Wilderness, private land nearby82013-04-30
Tarraville Creek, Mines Rd112016-06-02
Tesla, Corral Hollow22009-05-17
Cedar Mountain11988-12-31Historic
Mt. Diablo State Park - North side31918-06-03Historic
Mt. Diablo State Park - North side52005-07-01ID Uncertain
Mt. Diablo State Park - Summit and Upper area - 2500 ft and abo61994-06-19Historic
Tarraville Creek, Mines Rd101997-05-10Historic