From morphology to molecules: A comprehensive study of a novel Derris species (Fabaceae) with a rare flowering habit and reddish leaflet midribs, discovered in Peninsular Thailand

Comparative anatomical characters of the leaflet epidermis A–D adaxial leaflet epidermis E–H abaxial leaflet epidermis A, B, E, F, I, J the new Derris samples and C, D, G, H, K, L D. pubipetala. as = anomocytic stomata; bc = basal cell of trichome; nt = non-glandular trichome; ps = paracytic stomata. Scale bars: 50 µm (B, D, F, H–L); 100 µm (A, C, E, G).