Prunus serotina var. serotina

BENTON COUNTY, OREGON
U.S.A.
Prunus serotina Ehrh. var. serotina
Rosaceae
Adventive trees 8 m tall, fruits black, shiny,
globose, 7.5-9.5 x 8-10.5 mm, pits 5.3-8.2
x 4.3-5.7 mm, with beaks 0.4-1.2 mm; open
Douglas fir forest, with Pseudotsuga
menziesii, Rubus armeniacus, many smaller
seedlings and saplings bird-sown & scattered
in forest for 1.5 km, near NW Peavy
Arboretum Road, 1 air km SSE of Calloway
Reservoir, elev. 125 m, 44.6554° N,
123.2315° W
16 September 2019 Colls. Peter F. Zika
29753 & Richard E. Brainerd
04382322