Taxon Details
Petalonyx thurberi ssp. gilmanii
Death Valley sandpaper-plant
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Taxon Summary:
Petalonyx thurberi ssp. gilmanii, commonly known as Death Valley sandpaper-plant, is a perennial evergreen shrub in the Loasaceae that is found only in California. It occurs within Desert dunes, and Mojavean desert scrub, growing at elevations from 260 to 1445 meters. Petalonyx thurberi ssp. gilmanii is ranked 1B.3, Plants Rare, Threatened or Endangered in California and Elsewhere; Not very threatened in California.|
Scientific Name: Petalonyx thurberi Gray ssp. gilmanii (Munz) Davis & Thompson |
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Common Name: Death Valley sandpaper-plant |
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| Family: | Loasaceae | |
| Element Code: | PDLOA04041 | |
| USDA Plants Symbol: | PETHG | |
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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.3 |
| Fed List: | None |
| State List: | None |
| Global Rank: | G5T2 |
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State Rank: |
S2 |
| Other Status: | BLM_S; SB_CalBG/RSABG |
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CRPR Changes: |
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| Add Date: | 1974-01-01 |
| Date Edited: | 2022-12-06 |
| Lifeform: perennial evergreen shrub | ||||||||||||||
Blooming Period: May-Sep
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Elevation:
260 - 1445 meters 855 - 4740 feet |
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General Habitats:
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| Microhabitat Details: | ||||||||||||||
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Microhabitat:
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| Threat List Total: | 8 | |
| Total EOs | % of EOs | |
| EOs with Threat Listed: | 10 | 56 % |
| THREAT LIST: | ||
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| Road/trail construction/maint. | 6 | 33% |
| Mining | 4 | 22% |
| ORV activity | 2 | 11% |
| Other | 1 | 5% |
| Recreational use (non-ORV) | 1 | 5% |
| Non-native plant impacts | 1 | 5% |
| Erosion/runoff | 1 | 5% |
| Foot traffic/trampling | 1 | 5% |
| Total Occurrences: | 18 | ||||
| Element Occurrence Ranks: | |||||
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| A | B | C | D | X | U |
| 1 | 5 | 4 | 0 | 0 | 8 |
| Occurrence Status: | |||||
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| Historical >20 Years | 11 | ||||
| Recent <=20 Years | 7 | ||||
| Presence: | |||||
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| Presumed Extant | 18 | ||||
| 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) Inyo (INY), San Bernardino (SBD) |
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Quads: Name (Quad Code) Cottonwood Canyon (3611753), Darwin (3611735), East of Sand Flat (3611763), Fall Canyon (3611772), Ibex Spring (3511674), Maturango Peak NE (3611723), Maturango Peak SE (3611713), Nova Canyon (3611733), Old Ibex Pass (3511664), Panamint Springs (3611734), Ryan (3611636), Stovepipe Wells (3611752), The Dunes (3611744), Ubehebe Crater (3711714) |
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Notes:
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Presumed Extant
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