Taxon Details
Ephedra torreyana
Torrey's Mormon-tea
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Taxon Summary:
Ephedra torreyana, commonly known as Torrey's Mormon-tea, is a perennial evergreen shrub in the Ephedraceae that is found in California and elsewhere. It occurs within Great Basin scrub, growing at elevations from 765 to 810 meters. Ephedra torreyana is ranked 2B.1, Plants Rare, Threatened, or Endangered in California, But More Common Elsewhere; Seriously threatened in California.|
Scientific Name: Ephedra torreyana S. Watson |
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Common Name: Torrey's Mormon-tea |
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| Family: | Ephedraceae | |
| Element Code: | PGEPH01080 | |
| USDA Plants Symbol: | EPTO | |
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Synonyms/Other Names: |
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| Name Status: |
JEF, FNA, POWO, IPNI, Tropicos |
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| CA Rare Plant Rank: | 2B.1 |
| Fed List: | None |
| State List: | None |
| Global Rank: | G5 |
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State Rank: |
S1 |
| Other Status: | |
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CRPR Changes: added to 2.1 on 2012-02-08 |
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| Add Date: | 2012-02-08 |
| Date Edited: | 2022-12-06 |
| Lifeform: perennial evergreen shrub | ||||||||||||||
Blooming Period: May
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Elevation:
765 - 810 meters 2510 - 2660 feet |
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General Habitats:
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| Microhabitat Details: Valley bottoms, silt | ||||||||||||||
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Microhabitat:
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Notes: Discovered in CA in 2011; known in CA only from Pahrump Valley. Threatened by solar energy development. Potentially threatened by noxious weeds and vehicles. Similar to E. trifurca (and also to E. funerea when cones are not present). Not in The Jepson Manual (1993) and TJM 2. See Proceedings of the American Academy of Arts and Sciences 14:299-300 (1879) for original description. |
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Threats: |
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Taxonomy: |
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| Threat List Total: | 3 | |
| Total EOs | % of EOs | |
| EOs with Threat Listed: | 11 | 92 % |
| THREAT LIST: | ||
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| Non-native plant impacts | 11 | 91% |
| ORV activity | 11 | 91% |
| Development | 3 | 25% |
| Total Occurrences: | 12 | ||||
| Element Occurrence Ranks: | |||||
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| A | B | C | D | X | U |
| 0 | 6 | 4 | 1 | 0 | 1 |
| Occurrence Status: | |||||
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| Historical >20 Years | 0 | ||||
| Recent <=20 Years | 12 | ||||
| Presence: | |||||
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| Presumed Extant | 12 | ||||
| Possibly Extirpated | 0 | ||||
| Presumed Extirpated | 0 | ||||
| California Endemic: | |||||||||||||
| California Island: | |||||||||||||
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States: Name (Code) Arizona (AZ), California (CA), Colorado (CO), Nevada (NV), New Mexico (NM), Texas (TX), Utah (UT) |
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California Counties and Islands: Name (Code) Inyo (INY) |
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Quads: Name (Quad Code) Calvada Springs (3511588), Mound Spring (3611518), Nopah Peak (3611611) |
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Notes:
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Presumed Extant
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