Taxon Details
Cuscuta jepsonii
Jepson's dodder
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©2019 Dean Wm. Taylor |
©2019 Len Lindstrand III |
©2019 Dean Wm. Taylor |
Taxon Summary:
Cuscuta jepsonii, commonly known as Jepson's dodder, is a annual vine (parasitic) in the Convolvulaceae that is found only in California. It occurs within Lower montane coniferous forest, and North Coast coniferous forest, growing at elevations from 1200 to 2300 meters. Cuscuta jepsonii is ranked 1B.2, Plants Rare, Threatened or Endangered in California and Elsewhere; Moderately threatened in California.|
Scientific Name: Cuscuta jepsonii Yunck. |
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Common Name: Jepson's dodder |
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| Family: | Convolvulaceae | |
| Element Code: | PDCUS011T0 | |
| USDA Plants Symbol: | ||
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Synonyms/Other Names: |
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| Name Status: |
JEF, FNA, POWO, IPNI, Tropicos |
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| CA Rare Plant Rank: | 1B.2 |
| Fed List: | None |
| State List: | None |
| Global Rank: | G3 |
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State Rank: |
S3 |
| Other Status: | |
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CRPR Changes: changed from 3 to 1B.2 on 2011-08-24 added to 3 on 2007-02-16 |
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| Add Date: | 1974-01-01 |
| Date Edited: | 2024-07-02 |
| Lifeform: annual vine (parasitic) | ||||||||||||||
Blooming Period: Jul-Sep
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Elevation:
1200 - 2300 meters 3935 - 7545 feet |
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General Habitats:
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| Microhabitat Details: Occurs on Ceanothus diversifolius and C. prostratus. | ||||||||||||||
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Microhabitat:
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Notes: Previously on CRPR 3. Last collected on Mt. Shasta in 1954; where recent surveys were unsuccessful. Identification of specimen from MPA Co. (437C) needs verification. See Illinois Biological Monograph 6:149 (1921) for original description, and SIDA 22(1):222-223 (2006) and American Journal of Botany 96(9):1744-1750 (2009) for taxonomic treatment. |
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Threats: |
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Taxonomy: A synonym of C. indecora var. indecora in TJM (1993). |
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| Threat List Total: | 5 | |
| Total EOs | % of EOs | |
| EOs with Threat Listed: | 12 | 43 % |
| THREAT LIST: | ||
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| Logging | 8 | 28% |
| Wood cutting or brush clearing | 3 | 10% |
| Road/trail construction/maint. | 1 | 3% |
| Biocides | 1 | 3% |
| Foot traffic/trampling | 1 | 3% |
| Total Occurrences: | 28 | ||||
| Element Occurrence Ranks: | |||||
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| A | B | C | D | X | U |
| 0 | 5 | 1 | 0 | 0 | 22 |
| Occurrence Status: | |||||
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| Historical >20 Years | 7 | ||||
| Recent <=20 Years | 21 | ||||
| Presence: | |||||
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| Presumed Extant | 28 | ||||
| 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) Amador (AMA), Calaveras (CAL), Lake (LAK), Madera (MAD), Mariposa (MPA), Mendocino (MEN), Shasta (SHA), Siskiyou (SIS), Trinity (TRI), Tulare (TUL) |
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Quads: Name (Quad Code) Bass Lake (3711935), Black Rock Mtn. (4012321), Burney Mtn. West (4012176), Case Mountain (3611847), Damnation Peak (4012285), Devils Nose (3812044), Dubakella Mtn. (4012342), Eaton Peak (4112238), Elk Mountain (3912238), Fish Camp (3711946), Forest Glen (4012333), Garnet Hill (3812043), McCloud (4112232), Moses Mtn. (3611836), North Yolla Bolly (4012228), Pondosa (4112126), Pony Buck Peak (4012331), Silver City (3611846), Trinity Center (4012286), Van Arsdale Reservoir (3912341), Wawona (3711956), White Chief Mtn. (3711945) |
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Notes:
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Presumed Extant
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