Anatomical investigations on eleven Hypericum L. taxa

Author:

GÜRHAN İsmet1,ARABACİ Turan2

Affiliation:

1. İnönü University

2. İNÖNÜ ÜNİVERSİTESİ, ECZACILIK FAKÜLTESİ

Abstract

In this study, anatomical features of Hypericum capitatum Choisy. var. luteum N. Robson, H. lydium Boiss., H. malatyanum Peşmen, H. microcalycinum Boiss. & Heldr., H. perforatum L. H. retusum Aucher, H. scabrum L., H. spectabile Jaub. & Spach, H. thymopsis Boiss., H. triquetrifolium Turra and H. uniglandulosum Hausskn. ex Bornm. from Türkiye were examined. The cross-section of the root, stem and leaves were investigated with light microscopy. The leaf surfaces were examined with scanning electron microscopy. The roots have 2-3 or 4-5 layers of periderm. The stem wings were various in shape and number, the epidermis is single or double layered. The leaves are equifacial or bifacial. The micro-anatomy of leaf surface show that the epidermis cell walls are straight to slightly undulate, straight to undulate or straight to curved and the stomata are anisocytic. The characteristics obtain from this study were aimed to make contributions to the diagnostic features of genus Hypericum.

Publisher

Biological Diversity and Conservation

Reference11 articles.

1. [1] Crocketta, S.L & Robson, N.K.B. (2011). Taxonomy and Chemotaxonomy of the Genus Hypericum. Med Aromat Plant Sci Biotechnol, 5(Special Issue 1), 1–13.

2. [2] Robson, N.K.B. (1967). Hypericum L. In P.H. Davis (Ed.), Flora of Turkey and the East Aegean Islands (volume II, p. 355). Edinburgh: Edinburg University Press.

3. [3] Aslan, S. (2012). Hypericum L. In A. Güner, S. Aslan, T. Ekim, M. Vural, M.T. Babaç (Eds), A Checklist of the Flora of Turkey (Vascular Plants) (pp. 523-530). İstanbul: Nezahat Gökyiğit Botanik Bahçesi ve Flora Araştırmaları Derneği Yayını.

4. [4] Perrone, R., Rosa, P.D., Castro, O.D. & Colombo, P. (2013). Leaf and stem anatomy in eight Hypericum species (Clusiaceae). Acta Bot Croat, 72(2), 269-286. https://doi.org/10.2478/botcro-2013-0008

5. [5] Perrone, R., Rosa, P.D., Castro, O.D. & Colombo, P. (2013). A further analysis of secretory structures of some taxa belonging to the genus Hypericum (Clusiaceae) in relation to the leaf vascular pattern. Turk J Bot, 37, 847-858. https://doi.org/10.3906/bot-1206-22

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