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Astragalus leptaleus
Park milkvetch is a low, mat-forming native perennial legume of the Rocky Mountains that grows along streambanks and wet meadow edges. It needs cool, moist soil and sun to part shade, and it is generally grown as a native wildflower rather than a garden staple.
Astragalus leptaleus is a species of flowering plant in the legume family known by the common name park milkvetch. It is native to the Rocky Mountains of the United States, where it occurs in Idaho, Montana, Wyoming, and Colorado.
This rhizomatous perennial herb grows from a taproot and underground branching caudex unit. It has one or more stems up to 20 centimeters long and may form mats. Each leaf is made up of up to 27 leaflets. Flowers are borne in calyces of sepals coated in black hairs. The flowers are cream-white with a purple spot near the tip of the keel. The fruit is a legume pod up to 2.5 centimeters long which is covered in black and white hairs. Blooming time is June through August.
Astragalus aboriginum · Rogue River milkvetch · Sharp-leaved Milk Vetch · Sharpkeel milkvetch · Humboldt County milkvetch · Purple milkvetch · Cushenbury milkvetch · Astragalus alopecurus · Alpine milkvetch · Crescent milkvetch · Hermit Milkvetch · Anderson's milkvetch
Text excerpted from the Wikipedia article Astragalus leptaleus by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.
The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.
Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.
