Gesnouinia arborea, (ortigon de los montes), is a shrub or small tree. Leaves entire, acuminate, 3-nerved, pubescent, stipules absent. Flowers monoecious...

Plant List as of October 2014[update]: Gesnouinia arborea (L.f.) Gaudich. Gesnouinia filamentosa Wedd. Gesnouinia species are shrubs with monoecious flowers...

The wingspan is 7–8 mm. The larvae feed on Forsskalea angustifolia, Gesnouinia arborea, Parietaria debilis and Parietaria officinalis. They mine the leaves...