Species Details

Plagiobothrys uncinatus

hooked popcornflower

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Classification

Scientific Name: Plagiobothrys uncinatus J.T. Howell
Common Name: hooked popcornflower
Family:	Boraginaceae
Element Code:	PDBOR0V170
USDA Plants Symbol:	PLUN
Synonyms/Other Names:

Conservation Status

CA Rare Plant Rank:	1B.2
Fed List:	None
State List:	None
Global Rank:	G2
State Rank:	S2
Other Status:	BLM_S; USFS_S
CRPR Changes:
Add Date:	1974-01-01
Date Edited:	2024-11-05

Ecology and Life History

Lifeform: annual herb

Blooming Period: Apr-May

Elevation:
300 - 760 meters
985 - 2495 feet

General Habitats:

Chaparral (sandy)
Cismontane woodland
Valley and foothill grassland

Microhabitat Details:

Microhabitat:

Notes

Notes: Field surveys needed in Gabilan and Santa Lucia ranges to determine status.
Threats:
Taxonomy:

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	8
	Total EOs	% of EOs
EOs with Threat Listed:	2	14 %
Feral pigs	2	14%
Grazing	2	14%
Improper burning regime	2	14%
Military operations	2	14%
Non-native plant impacts	2	14%
Recreational use (non-ORV)	2	14%
Road/trail construction/maint.	1	7%
ORV activity	1	7%

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					14
A	B	C	D	X	U
0	1	2	0	0	11

Occurrence Status:
Historical >20 Years	13
Recent <=20 Years	1

Presence:
Presumed Extant	14
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 Benito (SBT), San Luis Obispo (SLO)

Quads: Name (Quad Code)
Alder Peak (3512183), Atascadero (3512046), Bradley (3512077), Burnett Peak (3512172), Burro Mountain (3512173), Carmel Valley (3612146), Chews Ridge (3612135), Cosio Knob (3612112), Jolon (3512182), Junipero Serra Peak (3612124), Lime Mountain (3512068), Mt. Carmel (3612147), North Chalone Peak (3612142), Rana Creek (3612145), San Luis Obispo (3512036), Tassajara Hot Springs (3612125), Thompson Canyon (3612122), Wilson Corner (3512044)

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

CNPS Rare Plant Inventory