Taxon Report
Rhinotropis intermontana (T. Wendt) J. R. Abbottintermountain milkwort |
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Taxon Summary
Rhinotropis intermontana, commonly known as intermountain milkwort, is a perennial shrub in the Polygalaceae that is found in California and elsewhere. It occurs within Pinyon and juniper woodland, growing at elevations from 2010 to 3080 meters. Rhinotropis intermontana is ranked 2B.1, Plants Rare, Threatened, or Endangered in California, But More Common Elsewhere; Seriously threatened in California.Classification
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Scientific Name: |
Rhinotropis intermontana (T. Wendt) J. R. Abbott |
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Common Name: |
intermountain milkwort |
| Family: | Polygalaceae |
| Element Code: | PDPGL021U0 |
| USDA Plants Symbol: | POIN12 |
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Synonyms/Other Names: |
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Ecology and Life History
| Lifeform: | perennial shrub |
| Blooming Period: Jun-Jul(Oct) | Jun-Jul(Oct) |
| Elevation: | 2010-3080 (6595-10105) |
| General Habitats: | Pinyon and juniper woodland |
| Microhabitat: | |
| Microhabitat Details: |
Conservation Status
| CA Rare Plant Rank: | 2B.1 |
| Global Rank: | G4 |
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State Rank: |
S1 |
| 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: | 4 |
| Element Occurrence Ranks: | |
| Excellent (A) | 1 |
| Good (B) | 0 |
| Fair (C) | 0 |
| Poor (D) | 0 |
| None (X) | 0 |
| Unknown (U) | 3 |
| California Endemic: False | |
| California Counties and Islands: Name (Code) | |
| Mono (MNO), San Bernardino (SBD) | |
| Quads: Name (Quad Code) | |
| Benton (3711874), Cougar Buttes (3411647), Dome Hill (3811931) | |
Threat List Data from the CNDDB
| Threat List Total: | 3 | |
| EOs with Threat Listed: | Total EOs | % of EOs |
| 1 | 25 % | |
| Development | 1 | 25% |
| Foot traffic/trampling | 1 | 25% |
| ORV activity | 1 | 25% |
Selected References
| Proposed Non-Substantive Name Changes: Multiple taxa in various plant families from the Jepson eFlora revision 11 (2023) |
| Journal of the Arnold Arboretum: 60(4):505 (1979) |
| Journal of the Botanical Research Institute of Texas 5: 125 – 137. (2011) |
Citation
California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 1 February 2025].