Fig. 5From: Effect of salicylic acid foliar application on growth, glandular hairs and essential oil yield in Salvia officinalis L. grown under zinc stressObservation by environmental scanning electron microscopy of the adaxial of S. officinalis leaves from control (a) and plants treated with Zn (b). PG peltate gland, NGH non-glandular hairs, CG capitate glands, DG deformed glandBack to article page