Species Details

Helianthus winteri

Winter's sunflower

Classification

Scientific Name: Helianthus winteri J.C. Stebbins
Common Name: Winter's sunflower
Family:	Asteraceae
Element Code:	PDAST4N260
USDA Plants Symbol:
Synonyms/Other Names:

Conservation Status

Fed List:	None
State List:	None
Global Rank:	G2?
State Rank:	S2?
CA Rare Plant Rank:	1B.2
Other Status:	BLM_S
CRPR Changes: added to 1B.2 on 2014-10-15
Add Date:	2014-10-15
Date Edited:	2021-05-26

Ecology and Life History

Lifeform: perennial shrub
Blooming Period: Jan-Dec
Elevation: 125 - 460 meters 410 - 1510 feet
General Habitat: Cismontane woodland Valley and foothill grassland
General Micro Habitat: openings on relatively steep south-facing slopes, granitic, often rocky, often roadsides
Micro Habitat:

Notes

Notes: Threatened by grazing, agriculture, road maintenance, and habitat loss. First year growth nearly indistinguishable from H. annuus; mostly distinguished from H. annuus in having woody stems, year-round blooming period, and dark purplish buds and phyllaries. See Aliso 31:19-24 (2013) for original description, and International Journal of Plant Sciences 174(7):1079-1089 (2013) for life history information.
Threats:
Taxonomy:
Other:
References:

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					55
A	B	C	D	X	U
11	36	4	1	0	3

Occurrence Status:
Historical >20 Years	0
Recent <=20 Years	55

Presence:
Presumed Extant	55
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
California (CA)

California Counties and Islands: Name (Code)
Fresno (FRE), Tulare (TUL)

Quads: Name (Quad Code)
Auckland (3611951), Ivanhoe (3611942), Orange Cove North (3611963), Orange Cove South (3611953), Piedra (3611974), Pine Flat Dam (3611973), Stokes Mtn. (3611952), Tucker Mtn. (3611962), Wahtoke (3611964), Woodlake (3611941)

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

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Counties Quads