Peperomia cotoneasterifolia is a species of epiphyte in the genus Peperomia that is endemic in Peru. It grows on wet tropical biomes. Its conservation status is Threatened.
The type specimen were collected near Carpapata, Peru at an altitude of 2700-3200 meters.
Peperomia cotoneasterifolia is a moderately tall, tree-dwelling herb that is more or less branched. The stem is 2âÂÂ3 mm thick and densely covered with appressed villous hairs when young. The opposite leaves are elliptic-subovate, with an abruptly somewhat acute tip and base, measuring 2âÂÂ2.5 cm long and 1.5âÂÂ2 cm wide. They are 3- or obscurely 5-nerved. The upper surface is glabrate, while the pale underside is tomentose. The appressed-pilose petiole is 5 mm long. The axillary spikes are 60 mm long and 2 mm thick, borne on a 10 mm peduncle. The berries are ovoid, somewhat acute, and have an apical stigma.
It was described in 1936 by William Trelease in ', from specimens collected by Ellsworth Paine Killip & Dorothea Eliza Smith. It got its epithet from the description of the type specimen, which translates to "with leaves like Cotoneaster", referring to the resemblance of folia in the genus Cotoneaster.
It is endemic in Peru. It grows on a epiphyte environment and is a herb. It grows on wet tropical biomes.
This species is assessed as Threatened, in a preliminary report.