Taxon Report

Allium hickmanii Eastw.

Hickman's onion

Print Report


© 2017 Dylan Neubauer

  Classification

Scientific Name:
Allium hickmanii Eastw.
Common Name:
Hickman's onion
Family: Alliaceae
Element Code: PMLIL02140
USDA Plants Symbol: ALHI
Synonyms/Other Names:

Ecology and Life History

Lifeform: perennial bulbiferous herb
Blooming Period: Mar-May Mar-May
Elevation: 5-200 (15-655)
General Habitats: Chaparral, Closed-cone coniferous forest, Coastal prairie, Coastal scrub, Valley and foothill grassland
Microhabitat:
Microhabitat Details:

Occurrence Data from the CNDDB

Total Occurrences: 32
Element Occurrence Ranks:
   Excellent (A) 4
   Good (B) 6
   Fair (C) 1
   Poor (D) 0
   None (X) 0
   Unknown (U) 21
California Endemic:  True
California Counties and Islands: Name (Code)
Monterey (MNT), San Luis Obispo (SLO)
Quads: Name (Quad Code)
Burro Mountain (3512173), Cape San Martin (3512184), Marina (3612167), Monterey (3612158), Pico Creek (3512152), Piedras Blancas (3512163), Salinas (3612166), San Simeon (3512162), Seaside (3612157)

Threat List Data from the CNDDB

Threat List Total: 11
EOs with Threat Listed: Total EOs % of EOs
22 69 %
Development 10 31%
Grazing 5 15%
Foot traffic/trampling 4 12%
Road/trail construction/maint. 3 9%
Erosion/runoff 2 6%
Military operations 2 6%
Mining 1 3%
Non-native plant impacts 1 3%
ORV activity 1 3%
Recreational use (non-ORV) 1 3%
Vandalism/dumping/litter 1 3%

Notes

Threatened by urbanization, grazing, non-native plants, trampling, road construction, and military activities. See Bulletin of the Torrey Botanical Club 30:483-502 (1903) for original description.
Threats:
Taxonomy:
Citation California Native Plant Society, Rare Plant Program. 2024. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 29 December 2024].