Polygonum douglasii Greene var. emaciatum A. Nels.
Annotated by J. O. Coolidge, 13 Apr 1964.

Montana: Ravalli County: Adjacent to Highway, 15 miles north of Hamilton.
46.464315° N, 114.154816° W,
Datum: WGS 84. Uncertainty: 15000 meters. Coordinate Source: GeoLocate.
Perianth segments pale pink with greenish midrib and short veins; flowers pendulous shortly after anthesis; plants erect. Phenology: Flowers & Fruits.

C. L. Hitchcock 21936, Aug 6, 1959
With C. V. Muhlick
WTU, Accession: 196399