Polygonum sawatchense Small subsp. sawatchense

NEW YORK BOTANICAL GARDEN
05148117
CfLj
KITTITAS COUNTY
WASHINGTON, U.S.A.
Polygonum sawatchense Small subsp.
sawatchense Polygonaceae
Annual, upright pink flowers, purple anthers
petals 3.7-4 mm; occasional in sunny sandy
ground at upper edge of riparian zone, with
Bromus tectorum, Salsola tragus, Phacelia
hastata, near boat launch on W shore of
Priest Rapids Reservoir on Columbia River,
0.8 air km SSE of Wanapum Dam, elev. 155
m, 46.865° N, 119.969° W
23 Sept 2020 Coll. Peter F. Zika 30430
05148117