erineum

erineum

[ə′rin·ē·əm]
(plant pathology)
An abnormal growth of hairs induced on the epidermis of a leaf by certain mites.
References in periodicals archive ?
These leaves were left for 2 h under direct sunlight to force the mites to leave the erineum (Waite 1992), the latter being an abnormal felty growth of hairs from the leaf epidermis.