Species Details

Calochortus uniflorus

pink star-tulip

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Photo of Calochortus uniflorus
© 2021 Scot Loring
Photo of Calochortus uniflorus
©2021 Scot Loring
Photo of Calochortus uniflorus
© 2019 Barry Rice

Species Description:

Calochortus uniflorus, commonly known as pink star-tulip, is a perennial bulbiferous herb in the Liliaceae that is found in California and elsewhere. It occurs within Coastal prairie, Coastal scrub, Meadows and seeps, and North Coast coniferous forest, growing at elevations from 10 to 1070 meters. Calochortus uniflorus is ranked 4.2, Plants of Limited Distribution, A Watch List; Moderately threatened in California.

Lifeform: perennial bulbiferous herb
Blooming Period: Apr-Jun
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Elevation:
10 - 1070 meters
35 - 3510 feet
General Habitats:
  • Coastal prairie
  • Coastal scrub
  • Meadows and seeps
  • North Coast coniferous forest
Microhabitat Details:
Microhabitat:
Notes:
Threatened by agriculture, development, and non-native plants.
Threats:
Taxonomy:
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
California Endemic:
California Island:
States: Name (Code)
California (CA), Oregon (OR)
California Counties and Islands: Name (Code)
Colusa (COL), Lake (LAK), Marin (MRN), Mendocino (MEN), Monterey (MNT), Napa (NAP), San Mateo (SMT), Santa Cruz (SCR), Shasta (SHA), Sonoma (SON)
Quads: Name (Quad Code)
Aetna Springs (3812264), Cahto Peak (3912365), Clearlake Highlands (3812286), Detert Reservoir (3812265), Duncans Mills (3812341), Felton (3712211), Hagaman Gulch (4012157), Kenwood (3812245), Laytonville (3912364), Leesville (3912224), Marina (3612167), Middletown (3812275), Plantation (3812353), San Mateo (3712253), San Rafael (3712285), Santa Rosa (3812246), Stewarts Point (3812364), Wilbur Springs (3912214)
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.
Presumed Extant
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