Taxon Details
Rhinotropis acanthoclada
thorny milkwort
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Taxon Summary:
Rhinotropis acanthoclada, commonly known as thorny milkwort, is a perennial shrub in the Polygalaceae that is found in California and elsewhere. It occurs within Chenopod scrub, Joshua tree "woodland", and Pinyon and juniper woodland, growing at elevations from 760 to 2285 meters. Rhinotropis acanthoclada is ranked 2B.3, Plants Rare, Threatened, or Endangered in California, But More Common Elsewhere; Not very threatened in California.
Scientific Name: Rhinotropis acanthoclada (A. Gray) J. R. Abbott |
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Common Name: thorny milkwort |
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Family: | Polygalaceae | |
Element Code: | PDPGL02020 | |
USDA Plants Symbol: | POAC2 | |
Synonyms/Other Names: |
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Name Status: |
JEF, FNA, POWO, IPNI, Tropicos |
CA Rare Plant Rank: | 2B.3 |
Fed List: | None |
State List: | None |
Global Rank: | G4 |
State Rank: |
S2S3 |
Other Status: | |
CRPR Changes: |
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Add Date: | 2001-01-01 |
Date Edited: | 2024-01-02 |
Lifeform: perennial shrub | ||||||||||||||
Blooming Period: May-Aug
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Elevation:
760 - 2285 meters 2495 - 7495 feet |
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General Habitats:
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Microhabitat Details: | ||||||||||||||
Microhabitat:
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Threat List Total: | 3 | |
Total EOs | % of EOs | |
EOs with Threat Listed: | 3 | 11 % |
THREAT LIST: | ||
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ORV activity | 3 | 11% |
Development | 2 | 7% |
Mining | 2 | 7% |
Total Occurrences: | 27 | ||||
Element Occurrence Ranks: | |||||
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A | B | C | D | X | U |
0 | 4 | 0 | 0 | 0 | 23 |
Occurrence Status: | |||||
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Historical >20 Years | 7 | ||||
Recent <=20 Years | 20 |
Presence: | |||||
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Presumed Extant | 27 | ||||
Possibly Extirpated | 0 | ||||
Presumed Extirpated | 0 |
California Endemic: | |||||||||||||
California Island: | |||||||||||||
States: Name (Code) Arizona (AZ), California (CA), Nevada (NV), Utah (UT) |
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California Counties and Islands: Name (Code) Riverside (RIV), San Bernardino (SBD) |
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Quads: Name (Quad Code) Castle Peaks (3511532), Crescent Peak (3511542), Ivanpah (3511533), Melville Lake (3411645), Mescal Range (3511545), Mineral Hill (3511544), Old Woman Springs (3411646), Pinto Valley (3511523), Porcupine Wash (3311577) |
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Notes:
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Presumed Extant
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