The
type specimen were collected near
Alto Río 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. ==Taxonomy and naming==