Fig. 7

Micromorphology of the epidermal cells on the adaxial side of a flower of E. pusilla. The three columns represent, from left to right, floral stage 2, 4 and 5 of the floral organs. Epidermal cells of (a–c) lateral sepal, (d–f) median sepal, (g–i) petal, (j–l) lip, (m–o) callus on lip and (p–r) stelidia. Scale bar = 100 μm. Abbreviations: lse = lateral sepal; mse = median sepal; pe = petal; cl = callus; sl = stelidia