- Source: Euploca nigricans
Euploca nigricans is a species of flowering plant in the family Boraginaceae. It is a shrub endemic to south-central and southwestern Socotra island in Yemen. It is locally abundant on the southern limestone plateau in Dracaena cinnabari woodland (Firmihin) and semi-deciduous woodland (Qatariyah) from 400 to 600 metres elevation.
