Taxonomy | |||||
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Scientific Name: | Astragalus geyeri var. triquetrus | ||||
Common name: | threecorner milkvetch |
Rank and Status | |||
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Global Rank: | G4T2T3 | Native Status: | Native |
Subnational (State) Rank: | S2S3 | Endemic: | No |
US ESA Status: | None | Sand Dunes: | Yes |
NNHP Tracking Status: | At-Risk List | Wetland: | No |
Other Agency Status | Status | Last Updated | Status Comments |
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Bureau of Land Management - Nevada | Sensitive | BLM Nevada Sensitive Species List dated 2017-10-01 | |
State of Nevada Protected | Critically endangered | ||
Nevada Native Plant Society | Threatened |
Distribution (NV Counties) |
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Clark |
Lincoln |
Summary Occurrence Data | |
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Occurrence Count: | 40 |
Total Observed Area (hectares): | 1 |
Maximum Known Elevation (m): | 756 |
Minimum Known Elevation (m): | 335 |
Links |
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Astragalus geyeri var. triquetrus data at NatureServe |
Astragalus geyeri var. triquetrus photos and data at Encyclopedia of Life |
Character Abstract | |
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Identification Comments: | |
Subspecies Comments: | |
Lookalikes: | |
Phenology Comments: | Plants ordinarily flower within 4-6 weeks of germination and rapidly mature fruit (Barneby 1989). |
Reproduction Comments: | The small flowers and rapid maturation of fruits imply the possibility of self-pollination. |
Habitat Comments: | Open, deep sandy soil or dunes, generally stabilized by vegetation and/or a gravel veneer. |
Ecology Comments: | |
Inventory Comments: | Surveys in Nevada have been extensive but likely remain incomplete. |
Inventory Needs: | |
Version Date: | 08/15/2001 - 12:00am |
plant in fruit
Photographer: Copyright Jim Andre, Sweeney Granite Mountains Desert Research Center & California Native Plant Society
Photo Date: |
plant in fruit
Photographer: Copyright JoAnne Michael, Resources Concepts Inc.
Photo Date: |
plant in fruit with scale
Photographer: Copyright JoAnne Michael, Resources Concepts Inc.
Photo Date: |
habitat
Photographer: Copyright JoAnne Michael, Resources Concepts Inc.
Photo Date: |
stems with flowers and fruits
Photographer: Teri Knight, Nevada Natural Heritage Program
Photo Date: |
close-up of leaf and fruit
Photographer: Copyright Jim Andre, Sweeney Granite Mountains Desert Research Center & California Native Plant Society
Photo Date: |
close-up of fruit, top view
Photographer: Copyright Jim Andre, Sweeney Granite Mountains Desert Research Center & California Native Plant Society
Photo Date: |
close-up of fruit, side view
Photographer: Copyright Jim Andre, Sweeney Granite Mountains Desert Research Center & California Native Plant Society
Photo Date: |
close-up of fruits
Photographer: Teri Knight, Nevada Natural Heritage Program
Photo Date: |
habitat
Photographer: Teri Knight, Nevada Natural Heritage Program
Photo Date: |
Illustration from Mozingo and Williams, 1980.
Photographer: Jeanne R. Janish
Photo Date: 1980 |