The Main Plant entry for Astragaluses (Astragalus)

This database entry exists to show plant data and photos that apply generically to all Astragaluses.

Comments:
Posted by Marilyn (Northern KY - Zone 6a) on May 21, 2013 11:35 PM

"Astragalus is a large genus of about 3,000 species of herbs and small shrubs, belonging to the legume family Fabaceae, subfamily Faboideae. The genus is native to temperate regions of the Northern Hemisphere. Common names include milk-vetch (most species), locoweed (in western US, some species; although most locoweeds are not genus Astragalus but in related genera) and goat's-thorn (A. gummifer, A. tragacanthus). Some pale-flowered vetches are similar in appearance, but vetches are more vine-like.

Astragalus species are used as food plants by the larvae of some Lepidoptera species including the following case-bearers of the genus Coleophora: C. astragalella (feeds exclusively on A. glycyphyllos), C. cartilaginella (feeds exclusively on Astragalus), C. colutella, C. euryaula (feeds exclusively on Astragalus), C. gallipennella (feeds exclusively on A. glycyphyllos), C. hippodromica (feeds exclusively on A. gombo), C. onobrychiella (feeds exclusively on Astragalus), C. polonicella (feeds exclusively on A. arenarius) and C. vicinella.

Some Astragalus species can be toxic. For example, several species that grow in the United States contain the neurotoxin swainsonine."

Taken from wikipedia's page at: http://en.wikipedia.org/wiki/A...

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