Figure 2 from: Pellegrini MOO (2017) Morphological phylogeny of Tradescantia L. (Commelinaceae) sheds light on a new infrageneric classification for the genus and novelties on the systematics of subtribe Tradescantiinae. PhytoKeys 89: 11-72. https://doi.org/10.3897/phytokeys.89.20388

Figure 2 - Anatomical characters used in the phylogenetic analysis. A leaf epidermis with silica crystals in specialized cells with thickened cell walls (Character 103–104), in Callisia multiflora (M.Martens & Galeotti) Standl B leaf epidermis with silica crystals in specialized cells without thickened cell walls (Character 103–104), bundle sheath in the mesophyll with longitudinal sclerenchymatic extensions (Character 105), in Gibasis pellucida (M.Martens & Galeotti) D.R.Hunt. C detail of the silica crystals in the leaf epidermis, in Tripogandra aff. glandulosa D raphides inside the raphide canals, evidencing the different morphology and position from the silica crystals in the leaf epidermis, in G. pellucida. All photos by S. Yankowski & F.B. Faden; A based on Spencer 92-308 (US), B, D based on Rosen 4645 (US), C based on Bogner 2381 (US).