Species Details
Helianthus winteri
Winter's sunflower
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© 2014 Chris Winchell |
© 2014 Chris Winchell |
© 2014 Chris Winchell |
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Scientific Name: Helianthus winteri J.C. Stebbins |
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Common Name: Winter's sunflower |
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| Family: | Asteraceae | |
| Element Code: | PDAST4N260 | |
| USDA Plants Symbol: | ||
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Synonyms/Other Names: |
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| CA Rare Plant Rank: | 1B.2 |
| Fed List: | None |
| State List: | None |
| Global Rank: | G2? |
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State Rank: |
S2? |
| Other Status: | BLM_S; SB_CalBG/RSABG |
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CRPR Changes: added to 1B.2 on 2014-10-15 |
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| Add Date: | 2014-10-15 |
| Date Edited: | 2023-12-05 |
| Lifeform: perennial shrub | ||||||||||||||
Blooming Period: Jan-Dec
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Elevation:
125 - 460 meters 410 - 1510 feet |
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General Habitats:
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| Microhabitat Details: relatively steep south-facing slopes | ||||||||||||||
Microhabitat:
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Notes: See Aliso 31:19-24 (2013) for original description, and International Journal of Plant Sciences 174(7):1079-1089 (2013) for life history information. |
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Threats: Threatened by grazing, agriculture, road maintenance, and habitat loss. |
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Taxonomy: 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. |
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| Threat List Total: | 6 | |
| Total EOs | % of EOs | |
| EOs with Threat Listed: | 14 | 25 % |
| THREAT LIST: | ||
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| Foot traffic/trampling | 6 | 10% |
| Grazing | 4 | 7% |
| Agriculture | 4 | 7% |
| Road/trail construction/maint. | 2 | 3% |
| Non-native plant impacts | 2 | 3% |
| Recreational use (non-ORV) | 1 | 1% |
| Total Occurrences: | 55 | ||||
| Element Occurrence Ranks: | |||||
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| A | B | C | D | X | U |
| 11 | 36 | 4 | 1 | 0 | 3 |
| Occurrence Status: | |||||
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| Historical >20 Years | 0 | ||||
| Recent <=20 Years | 55 | ||||
| Presence: | |||||
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| Presumed Extant | 55 | ||||
| Possibly Extirpated | 0 | ||||
| Presumed Extirpated | 0 | ||||
| California Endemic: | |||||||||||||
| California Island: | |||||||||||||
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States: Name (Code) California (CA) |
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California Counties and Islands: Name (Code) Fresno (FRE), Tulare (TUL) |
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Quads: Name (Quad Code) Auckland (3611951), Ivanhoe (3611942), Orange Cove North (3611963), Orange Cove South (3611953), Pine Flat Dam (3611973), Stokes Mtn. (3611952), Tucker Mtn. (3611962), Wahtoke (3611964), Woodlake (3611941) |
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Notes:
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Presumed Extant
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