Micromorphological characters on nutlet and leaf indumentum of Teucrium sect. Teucrium (Lamiaceae) in Turkey

Authors

GÜLAY ECEVİT GENÇ
TANER ÖZCAN
TUNCAY DİRMENCİ

DOI

10.3906/bot-1406-18

Abstract

Leaf indumentum and nutlet surface micromorphology of 13 taxa belonging to the Teucrium sect. Teucrium was studied with a scanning electron microscope. We observed 5 trichome types on the nutlets and 8 trichome types on the leaves. Branched trichomes were not found on the nutlets. Nutlet shapes of the taxa were elliptic, obovate, oblong, or rotund, and their surfaces were generally alveolate with different ornamentations. Some nutlets had longitudinal ridges. The indumentum varied among unrelated species and showed some significant similarities within related species. In Flora of Turkey sect. Teucrium was divided into 2 groups according to leaf fragmentation and other morphological characters. The current study supports this grouping. The indumentum types on nutlets and leaves have a high taxonomical value for the species of the genus.

Keywords

Teucrium, section Teucrium, Lamiaceae, micromorphology, scanning electron microscopy, leaf indumentum, nutlet surface, Turkey

First Page

439

Last Page

448

Recommended Citation

GENÇ, GÜLAY ECEVİT; ÖZCAN, TANER; and DİRMENCİ, TUNCAY (2015) "Micromorphological characters on nutlet and leaf indumentum of Teucrium sect. Teucrium (Lamiaceae) in Turkey," Turkish Journal of Botany: Vol. 39: No. 3, Article 6. https://doi.org/10.3906/bot-1406-18
Available at: https://journals.tubitak.gov.tr/botany/vol39/iss3/6