Peperomia deficiens 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 Alto RÃÂo Huallaga, Peru, at an altitude of .
Peperomia deficiens is a moderately tall, unbranched, glabrous herb with slender stems. The alternate leaves are somewhat deltoid-ovate, with a rounded to subtruncate base. They are distinctly peltate or, in some cases, shortly cordate and epeltate, measuring long and wide. The leaves are about 7-nerved, thin when dry, and have a brownish granular texture on the underside. The slender petiole is long. The inflorescence was not seen on the type specimen.
It was described in 1936 by William Trelease in ', from specimens collected by Llewelyn Williams. It got its epithet from the Latin , referring to the absence of inflorescences on the type collection.
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.