Comparative anatomical characters of leaf epidermis. A, B, G–I. Adaxial leaf epidermis; C–F, J–L. Abaxial leaf epidermis; A–F. The new Derris samples; G–L. D. solorioides. an, anomocytic stoma; dr, druse crystal; pa, paracytic stoma; pr, prism crystal; se, secretory cavity-like structures; st, staurocytic stoma. Scale bars: 50 µm (B, C, E, F, H, I, K, L); 200 µm (A, D, G, J).

 
 
  Part of: Boonprajan P, Oncham S, Sirichamorn Y (2025) Derris longiracemosa (Fabaceae), a new species from Thailand with extraordinary limestone adaptations and the longest inflorescences ever recorded. PhytoKeys 261: 13-32. https://doi.org/10.3897/phytokeys.261.156249