Peperomia majalis is a species of epiphytic herb in the genus Peperomia that is endemic to Peru. It grows on wet tropical biomes. Its conservation status is Threatened.
The type specimen were collected at near Dos de Mayo, Peru at an altitude of 1700-1900 meters above sea level.
Peperomia majalis is a medium-sized, tree-dwelling herb that is glabrous except for the ciliate leaf margins. The stem is 4 mm thick with short internodes. The alternate leaves are elliptic or typically ovate, somewhat acute, with a rounded to shortly cordate base, and are peltate near the base. They measure 6âÂÂ10 cm long and 3.5âÂÂ6.5 cm wide, with slender, multiple pinnate nerves. When dry, they are yellowish-brown and leathery. The petiole is 2âÂÂ4 cm long. The terminal spikes are borne in pairs at the apex of a 1-bracteate branchlet. They are 40 mm long and 2 mm thick, with a 1 cm peduncle.
It was described in 1936 by William Trelease in ', from specimens collected by Ellsworth Paine Killip & Albert Charles Smith.
The epithet is derived from the Latin for "of May," referring to the type locality.
It is native to Peru. It grows as an epiphytic herb. It grows on wet tropical biomes.
This species is assessed as Threatened, in a preliminary report.