Species Details

Chorizanthe biloba var. immemora

Hernandez spineflower

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Scientific Name:
Chorizanthe biloba Goodm. var. immemora Rev. & Hardham
Common Name:
Hernandez spineflower
Family: Polygonaceae
Element Code: PDPGN04025
USDA Plants Symbol: CHBII
Synonyms/Other Names:
Lifeform: annual herb
Blooming Period: May-Aug(Sep)
Elevation:
425 - 1115 meters
1395 - 3660 feet
General Habitat:
  • Chaparral
  • Cismontane woodland
General Micro Habitat:
Micro Habitat:
  • Clay (sometimes)
  • Gravelly (often)
  • Serpentinite (usually)
Notes:
Known from approximately five occurrences. See Phytologia 66(2):137-139 (1989) for original description.
Threats:
Taxonomy:
Other:
References:
Total Occurrences: 12
Element Occurrence Ranks:
A B C D X U
0 0 0 0 0 12
Occurrence Status:
Historical >20 Years 4
Recent <=20 Years 8
Presence:
Presumed Extant 12
Possibly Extirpated 0
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
California (CA)
California Counties and Islands: Name (Code)
Kings (KNG), Monterey (MNT), San Benito (SBT), San Luis Obispo (SLO)
Quads: Name (Quad Code)
Cholame (3512063), Cholame Valley (3512073), Hepsedam Peak (3612037), Hernandez Reservoir (3612047), Lonoak (3612038), Priest Valley (3612026), Rock Spring Peak (3612048), San Benito (3612151), San Benito Mtn. (3612036), Tent Hills (3512072), 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.

Map

Presumed Extant
Counties   Quads