Comparative Anatomy for Some Species of the Genus Lavandula L. (Lamiaceae)

The anatomical features of the three species of the genus L. (Lamiaceae) is very important to distinguish Lavandula and differentiate between Mill, L and L. The results have shown that the leaf Lavandula angustifolia L. dentata L. stoechas blade was uniserial epidermis in Mill, the adaxial epidermis have small isodiametric which covered with a very L. angustifolia thin cuticle layer, while in the leaves were hypostomatic covered with a thin and striate cuticle layer, have diacytic L. dentate stomata and branched non-glandular trichomes but In L. the epidermis was one layer which was rectangular cells L. stoechas has a thin cuticle.The glandular hairs were observed on both upper and lower epidermis.