probably Crataegus shuswapensis J.B. Phipps & O’Kennon
Annotated by J. B. Phipps, 2015. Remarks: UWO

British Columbia: Steep north bank of Shuswap River, 0.4 air kilometers east of Cliff Avenue bridge in Enderby, south of Mabel Lake Road. North Okanagan Regional District. Elev. 355 m.
50.5497° N, 119.1292° W
Coordinate Source: Specimen Label.
Partly shaded riparian thickets, with Populus, Pseudotsuga, Prunus virginiana, Berberis aquifolium, Symphoricarpos albus. Shrubs 4 meters tall, leaves dull mid-green, turning orange. Thorns 17-35 millimeters, fruits 9-12 x 9-9.5 millimeters wide, dark red-purple or black, not glaucous, ovate to subglobose, 3-5 pyrenes, 13-19 stamens. Phenology: Fruits.

Peter F. Zika 27547, Sep 29, 2015
WTU, Accession: 407635, Barcode: WTU-V-020846