Prunus spinosa L.
Annotated by Jeffrey Lesh, 5 Apr 2020. Sources: Flora of NM.

Oregon: Clackamas County: Eagle Creek, SE Eagle Fern Road 0.5 km W of SE Kitzmiller Road.
45.324949° N, 122.29421° W,
Datum: WGS 84. Uncertainty: 45 meters. Coordinate Source: Digital Map.
Small patch of brush and Populus in large clearcut. With Populus, Rubus ursinus, Rubus armeniacus, Polystichum munitum, Oemelaria. Abundant, armed shrubs to small trees 2-5 meters tall. Ovary glabrous with scatter hairs at base of style. Sepals and hypan short hairy sometimes glabrous, pedicels with few short hairs, and twigs +/- puberulent. Flowers mostly single (rarely 2) on pedicels 2-5 (8) mm. Phenology: Flowers.

Jeffrey Lesh 1286, Apr 4, 2020
HPSU, Accession: 20690