Schiedea trinervis

Schiedea trinervis, also called three nerved alsinidendron, is a species of flowering plant in the family Caryophyllaceae, that is endemic to island of Oahu in Hawaii. It is a subshrub, reaching a height of 30 - 80 cm.

Three-nerved alsinidendron inhabits mixed mesic and wet forests on the slopes of the Waianae Range at elevations of 900 - 1230 m. Associated plants include pilo (Coprosma spp.), apeape (Gunnera petaloidea), alani (Melicope spp.), hāpuu (Cibotium spp.), hame (Antidesma platyphyllum), and māmaki (Pipturus albidus). It is threatened by habitat loss.