FIGURE 9 in Erythroxylum confertifolium, a new species from Chapada dos Veadeiros National Park, Goiás, Brazil, unveiled by morphology and leaf anatomy

FIGURE 9. Cross sections of the midrib of Erythroxylum campestre A. St.-Hil. (a–d), E. confertifolium M.J. Silva (b–h), and E. parvistipulatum Peyr. (i–l). a, e, and i. General aspect. b, f, and j. Vascular bundles. c, g, and k. Detail of epidermis, fibers, parenchyma, and angular collenchyma (abaxial surface); d, h, and l. Rhomboid crystals in polarized light. c = cuticle. co = angular collenchyma. ep = epidermis. gl = gelatinous fibers. lf = libriform fibers. pa = parenchyma. vb = vascular bundle. asterisks = phenolic compounds. Scale bars: a, e and i = 500 μm; b, f and j = 200 μm; c, g and k = 50 μm; d, h and l = 20 μm.