Taxon Report
Tripterocalyx micranthus (Torr.) Hook.small-flowered sand-verbena |
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Species Description:
Tripterocalyx micranthus, commonly known as small-flowered sand-verbena, is a perennial herb in the Nyctaginaceae that is found in California and elsewhere. It occurs within Desert dunes, and Mojavean desert scrub (sandy), growing at elevations from 550 to 855 meters. Tripterocalyx micranthus is ranked 2B.3, Plants Rare, Threatened, or Endangered in California, But More Common Elsewhere; Not very threatened in California.
Classification
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Scientific Name: |
Tripterocalyx micranthus (Torr.) Hook. |
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Common Name: |
small-flowered sand-verbena |
| Family: | Nyctaginaceae |
| Element Code: | PDNYC0G030 |
| USDA Plants Symbol: | TRMI6 |
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Synonyms/Other Names: |
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Ecology and Life History
| Lifeform: | perennial herb |
| Blooming Period: Apr-May | Apr-May |
| Elevation: | 550-855 (1805-2805) |
| General Habitats: | Desert dunes, Mojavean desert scrub |
| Microhabitat: | |
| Microhabitat Details: |
Conservation Status
| CA Rare Plant Rank: | 2B.3 |
| 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: | 3 |
| Element Occurrence Ranks: | |
| Excellent (A) | 0 |
| Good (B) | 0 |
| Fair (C) | 0 |
| Poor (D) | 0 |
| None (X) | 0 |
| Unknown (U) | 3 |
| California Endemic: False | |
| California Counties and Islands: Name (Code) | |
| San Bernardino (SBD) | |
| Quads: Name (Quad Code) | |
| Kelso Dunes (3411586) | |
Threat List Data from the CNDDB
| Threat List Total: | 1 | |
| EOs with Threat Listed: | Total EOs | % of EOs |
| 1 | 33 % | |
| Grazing | 1 | 33% |
Citation
California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 15 January 2025].