FIGURE 1 in Comparative anatomy of young stems and leaves of 16 Dalbergia species (Fabaceae) from Madagascar and their taxonomic significance

FIGURE 1. Cross-sections of young stem. A. Young stem of D. normandii epidermis covered with a prominent cuticle. B. D. pseudobaronii, general view of young stem with pericycle sclerenchyma always forming a discontinuous ring, inset shows epidermis with trichomes multicellular under higher magnification. C. D. razakamalalae, periderm composed of phellem, phelloderm and phellogen. D. D. normandii, the first periderm in the process of formation composed by phellem and poorly differentiated phellogen and phelloderm. tr: trichome multicellular.