Phylogeny of Ten Kenyan Plectranthus Species in the Coleus Clade Inferred from Leaf Micromorphology, Rbcl and MatK Genes

Figure 4

Transverse section of P. ornatus leaf. This pattern in P. ornatus of long columnar cells, long-stalked trichomes, dorsiventral mesophyll, and polygonal epidermal cells was also observed in P. edulis, P. barbatus, and P. caninus.