Taxon Report
Stemodia durantifolia (L.) Sw.purple stemodia |
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Taxon Summary
Stemodia durantifolia, commonly known as purple stemodia, is a perennial herb in the Plantaginaceae that is found in California and elsewhere. It occurs within Sonoran desert scrub (often mesic, and sandy), growing at elevations from 180 to 300 meters. Stemodia durantifolia 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: |
Stemodia durantifolia (L.) Sw. |
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Common Name: |
purple stemodia |
| Family: | Plantaginaceae |
| Element Code: | PDSCR1U010 |
| USDA Plants Symbol: | STDU |
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Synonyms/Other Names: |
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Ecology and Life History
| Lifeform: | perennial herb |
| Blooming Period: (Jan)Apr-Dec | (Jan)Apr-Dec |
| Elevation: | 180-300 (590-985) |
| General Habitats: | Sonoran desert scrub |
| Microhabitat: | |
| Microhabitat Details: |
Conservation Status
| CA Rare Plant Rank: | 2B.1 |
| Global Rank: | G5 |
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State Rank: |
S2 |
| State List: | None |
| Fed List: | None |
| Other Status: | SB_CRES |
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CRPR Changes: |
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Occurrence Data from the CNDDB
| Total Occurrences: | 21 |
| Element Occurrence Ranks: | |
| Excellent (A) | 0 |
| Good (B) | 2 |
| Fair (C) | 0 |
| Poor (D) | 0 |
| None (X) | 0 |
| Unknown (U) | 19 |
| California Endemic: False | |
| California Counties and Islands: Name (Code) | |
| Riverside (RIV)*, San Diego (SDG) | |
| Quads: Name (Quad Code) | |
| Cathedral City (3311674)*, Del Mar (3211782), Dulzura (3211667), Imperial Beach (3211751), Jamul Mountains (3211668), La Jolla (3211772)*, La Mesa (3211771), La Quinta (3311663), National City (3211761), Otay Mesa (3211658), Otay Mountain (3211657), Palm Springs (3311675)*, Palm View Peak (3311665)*, Poway (3211781), Rancho Mirage (3311664), Rancho Santa Fe (3311712)* | |
Threat List Data from the CNDDB
| Threat List Total: | 3 | |
| EOs with Threat Listed: | Total EOs | % of EOs |
| 1 | 5 % | |
| Foot traffic/trampling | 1 | 4% |
| Improper burning regime | 1 | 4% |
| Military operations | 1 | 4% |
Citation
California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 22 November 2025].