Peperomia villicaulis is a species of plant from the genus Peperomia. It was first described by Casimir de Candolle and published in the book "Botanische Jahrbücher für Systematik, Pflanzengeschichte und Pflanzengeographie 40: 264. 1908".[1] [2]
It is endemic to Peru. First specimens were collected at an altitude of 2400–2700 meters.[1] [3]
Leaves are shortly petiolate, broadest at the base, the bottom subnarrow, the obtuse tip on both sides, densely and appreciably covered in vili. It is 5-veined. The 5 central veins are visible; pedunculate axillary spikes, flowering 1/2 longer than the leaves, densely flowered, hairy peduncles; an orbicular plate pedicled in the center; filaments of elliptic anthers surpassing; ovary emergent, obovate a little below the stigmatiferous tip, stigma glabrous. Stony grass. Branched densely haired stems are 3 millimeters thick. Branches are about 25 centimeters long. Internodes are 2 centimeters long. The leaves are opposite. The stems are stiff and opaque when dry, up to 2 1/2 centimeters long and 16 millimeters wide. Petiole 2-millimeter peduncle is 5 millimeters long. Flowering spikes 3 1/2 centimeters long, 1 millimeter thick.[4]