Fig. 1. The images of some Scutellaria species. A, B) S. baicalensis Georgi. (Photographer: Steffen Hauser, Berlin, Germany. https://www.picfair.com/pics/06495809- baikal-skullcap-scutellaria-baicalensis); C) S. altissima (https://www.plant-world-seeds.com/store/view_seed_item/1205); D) S. litwinowii (Photographer: Maryam Akaberi, location: Mount Binalud, Razavi Khorasan, Mashhad, Iran); E) S. incana (https://www.gardenia.net/plant/scutellaria-incana); F) S. suffrutescens (https://pl antlust.com/plants/17774/scutellaria-suffrutescens/); G) S. orientalis (https://www.ukwildflowers.com/Web_pages/scutellaria_orientalis_yellow_flowered_skullcap. htm); H) Roots of S. baicalensis (https://adaptogens.eu/zbozi/scutellaria-baicalensis-taiwantcm-wild-13708.aspx). (For interpretation of the references to color in this figure legend, the reader is referred to the Web version of this article.)

Published as part of Maleki, Sina, Akaberi, Toktam, Emami, Seyed Ahmad & Akaberi, Maryam, 2022, Diterpenes of Scutellaria spp.: Phytochemistry and pharmacology, pp. 1-48 in Phytochemistry (113285) 201 on page 2, DOI: 10.1016/j.phytochem.2022.113285, http://zenodo.org/record/8236326