CNPS

CNPS Rare Plant Inventory

Species Details

Plagiobothrys chorisianus var. hickmanii

Hickman's popcornflower

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  Classification

Scientific Name:
Plagiobothrys chorisianus (Cham.) Jtn. var. hickmanii (Greene) Jtn.
Common Name:
Hickman's popcornflower
Family: Boraginaceae
Element Code: PDBOR0V062
USDA Plants Symbol: PLCHH
Synonyms/Other Names:

  Conservation Status

CA Rare Plant Rank: 4.2
Fed List: None
State List: None
Global Rank: G3T3Q
State Rank:
 S3
Other Status: SB_SBBG; SB_UCSC
CRPR Changes:
Add Date: 2001-01-01
Date Edited: 2021-09-27

  Ecology and Life History

Lifeform: annual herb
Blooming Period: Apr-Jun
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Elevation:
15 - 390 meters
50 - 1280 feet
General Habitats:
  • Closed-cone coniferous forest
  • Chaparral
  • Coastal scrub
  • Marshes and swamps
  • Vernal pools
Microhabitat Details:
Microhabitat:

  Notes

Notes:
Does plant occur in SMT Co.? Intergrades with var. chorisianus. See Pittonia 1:13 (1887) for original description, and Contributions from the Arnold Arboretum 3:49 (1932) for revised nomenclature.
Threats:
Taxonomy:

  Threat List Data from the CNDDB

Threat List Total: 0
Total EOs % of EOs
EOs with Threat Listed: 0 0 %
THREAT LIST:

  Occurrence Data from the CNDDB

Total Occurrences: 0
Element Occurrence Ranks:
A B C D X U
0 0 0 0 0 0
Occurrence Status:
Historical >20 Years 0
Recent <=20 Years 0
Presence:
Presumed Extant 0
Possibly Extirpated 0
Presumed Extirpated 0

  Location

California Endemic:
California Island:
States: Name (Code)
California (CA)
California Counties and Islands: Name (Code)
Monterey (MNT), San Mateo (SMT)?, Santa Clara (SCL), Santa Cruz (SCR)
Quads: Name (Quad Code)
Castle Rock Ridge (3712221), Felton (3712211), Half Moon Bay (3712244), Laurel (3712118), Los Gatos (3712128), Palo Alto (3712242), Salinas (3612166), Seaside (3612157), Watsonville East (3612186)
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.
Regional Map

  Map

Presumed Extant
Click on quad for name. Hold Shift Key to use mouse scroll wheel

  Selected References

Suggested Citation:
California Native Plant Society, Rare Plant Program. 2024. Rare Plant Inventory (online edition, v9.5). Website https://www.rareplants.cnps.org [accessed 26 April 2024].