FIGURE 4 in Mendoncia amabilis (Acanthaceae), a remarkable new species from the Amazon basin

FIGURE 4. SEM of leaf blade and bracteole of Mendoncia amabilis and similar species. A–B. M. amabilis. A. Leaf-blade. B. Bracteole. C–D. M. squamuligera. C. Leaf-blade. D. Bracteole. E–F. M. tonduzii. E. Leaf-blade. F. Bracteole. A–B. from Z. Cordero-P. et al. 407 (COL!). C.D. J.T.F. Guimarães et al. 34 (MG!). E–F. L. Castaño-Rosalba & G.E. Muñoz 148 (HUA!).