Figure 1 from: Takano A (2017) Taxonomic study on Japanese Salvia (Lamiaceae): Phylogenetic position of S. akiensis, and polyphyletic nature of S. lutescens var. intermedia. PhytoKeys 80: 87-104. https://doi.org/10.3897/phytokeys.80.11611 - Takano, Atsuko (2017)