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Click to read about the Astragalus genus.

Astragalus schmolliae

Astragalus schmolliae

Astragalus schmolliae

Astragalus schmolliae

Astragalus schmolliae

Astragalus schmolliae

 

 

 

 

 

 

 

 

Astragalus schmolliae (Schmoll's Milkvetch)
Fabaceae (Pea Family)

Semi-desert, foothills. Shrublands, woodlands, openings. Spring, summer.
Above and left: Mesa Verde National Park, Chapin Mesa, May 19, 2016 and Petroglyph Point Trail, July 21, 2016.

Astragalus schmolliae is a rare plant and a candidate for listing as a federally protected species. It is found only in Mesa Verde National Park on Chapin Mesa where it is quite common.

Astragalus schmolliae grows to about two feet tall with an abundance of ochroleucous (white/yellow) flowers in a loose raceme of 10-28 flowers. Pods develop quickly from lower flowers while upper flowers are still opening and the pods grow quickly to a bit more than an inch long.

In 1945 Cedric Porter named and described this species collected in 1925 by Hazel Schmoll and Park Superintendent Nusbaum northeast of Spruce Tree House. Hazel Schmoll was the State Botanist of Colorado for 16 years. (Click to read more about Schmoll).

Astragalus schmolliae (Schmoll's Milkvetch)
Astragalus schmolliae (Schmoll's Milkvetch)
Fabaceae (Pea Family)

Semi-desert, foothills. Shrublands, woodlands, openings. Spring, summer.
Mesa Verde National Park, Chapin Mesa, May 19, 2016.

Astragalus schmolliae leaves grow from about 1 1/2 to 4 inches long with numerous hairy leaflets.

Astragalus schmolliae

Astragalus schmolliae
Astragalus schmolliae (Schmoll's Milkvetch)
Fabaceae (Pea Family)

Semi-desert, foothills. Shrublands, woodlands, openings. Spring, summer.
Mesa Verde National Park, Chapin Mesa, May 19, 2016.

The stem base is commonly a light red to brown transitioning to green several inches above ground level.

Range maps © John Kartesz,
Floristic Synthesis of North America

State Color Key

Species present in state and native
Species present in state and exotic
Species not present in state

County Color Key

Species present and not rare
Species present and rare
Species extirpated (historic)
Species extinct
Species noxious
Species exotic and present
Native species, but adventive in state
Questionable presence

Astragalus schmolliae

Range map for Astragalus schmolliae