|Common name: Washington-thorn.
Voucher: Kostadinov 070, (URV)
Brief description: A shrub to a small tree. Leaves are ovate to cordate, simple, alternate, with 1-4 lateral lobes, margins coarsely and irregularly serrate-toothed, the petiole eglandular. Flowers are perfect, white, fragrant, in compound glabrous cymes. Fruits are bright-scarlet pome with 3-5 nutlets.
Campus data: Cultivated abundantly in only one campus location. Not encountered in the wild on campus.