Taxon Report
Perideridia leptocarpa Chuang & Const.narrow-seeded yampah |
 ©2015 Dana York |
Taxon Summary
Perideridia leptocarpa, commonly known as narrow-seeded yampah, is a perennial herb in the Apiaceae that is found in California and elsewhere. It occurs within Broadleafed upland forest, Cismontane woodland, and Lower montane coniferous forest, growing at elevations from 425 to 1585 meters. Perideridia leptocarpa is ranked 4.3, Plants of Limited Distribution, A Watch List; Not very threatened in California.Classification
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Scientific Name: |
Perideridia leptocarpa Chuang & Const. |
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Common Name: |
narrow-seeded yampah |
| Family: | Apiaceae |
| Element Code: | PDAPI1N0A0 |
| USDA Plants Symbol: | PELE6 |
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Synonyms/Other Names: |
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Ecology and Life History
| Lifeform: | perennial herb |
| Blooming Period: Jun-Aug | Jun-Aug |
| Elevation: | 425-1585 (1395-5200) |
| General Habitats: | Broadleafed upland forest, Cismontane woodland, Lower montane coniferous forest |
| Microhabitat: | Serpentine (usually) |
| Microhabitat Details: |
Conservation Status
| CA Rare Plant Rank: | 4.3 |
| Global Rank: | G3Q |
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State Rank: |
S3 |
| State List: | None |
| Fed List: | None |
| Other Status: | |
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CRPR Changes: |
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Occurrence Data from the CNDDB
| Total Occurrences: | 0 |
| Element Occurrence Ranks: | |
| Excellent (A) | 0 |
| Good (B) | 0 |
| Fair (C) | 0 |
| Poor (D) | 0 |
| None (X) | 0 |
| Unknown (U) | 0 |
| California Endemic: False | |
| California Counties and Islands: Name (Code) | |
| Siskiyou (SIS) | |
| Quads: Name (Quad Code) | |
| Cecilville (4112322), Sawyers Bar (4112332) | |
Threat List Data from the CNDDB
| Threat List Total: | 0 | |
| EOs with Threat Listed: | Total EOs | % of EOs |
| 0 | 0 % | |
Selected References
| Perideridia leptocarpa account for potential Species of Conservation Concern evaluation (2021) |
Citation
California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 7 December 2025].