Oenothera deltoides subsp. howellii

Antioch Dunes evening-primrose
Family:Onagraceae

Rarity

CNPS-EB: *A2
State CNPS: 1B.1
Global Rank: G5T1
CNDDB Rank: S1
FESA Status: FE
CESA Status: CE

5 current natural populations

Criteria:
  • Limited/Threatened Habitat
  • Narrow Range in ALA & CCA
  • Small Geographical Range

Ecology

Flowers March - September
Habitats:
  • Sand, Sandstone
  • Scrub (Coastal or Interior)

All Oenothera

  • O. deltoides subsp. cognata (A2)
  • O. deltoides subsp. howellii
  • O. elata subsp. hookeri (C)
  • Populations

    Key
    LocationPop IDLast RecordedNotes
    Antioch Dunes12022-04-20
    Antioch Dunes102022-05-06
    Antioch Shoreline22012-08-28
    Big Break, Antioch42011-04-23
    Big Break, Antioch52019-05-03
    Antioch Shoreline31978-07-18Historic
    Browns Island72008-10-06Planted
    Lime Ridge area91996-04-25Historic
    Pittsburg Shore81979-12-31Historic