FIGURE 5 in Leaf anatomy and macro-morphological data support a new species of the legume genus Chamaecrista (Fabaceae, Caesalpinioideae) from Goiás, Brazil

FIGURE 5. Comparative anatomy of the median portion of the rachis in Chamaecrista species. A, I and P. General aspect. Chamaecrista barnebyana (A–H), C. cristalinae (I–O) and C. neesiana var. laxiracemosa (P–V); B, F, J and Q. Vascular cylinder; T. Vascular bundle; C, G, K, M and R. Detail of the libriform pericyclic fibers, epidermis and cortical region; D and L. Stomata; H, N and U. Detail of the accessory vascular bundles; E, O, S and V. Trichomes; E, O and S. Acicular trichomes; V. Multicellular, secretory, shortly stipitate trichome, with a bulbous base. ab = accessory vascular bundles; co = cortex; ep = epidermis; fb = libriform fibers; ph = phloem; sc = substomatic chamber; tr = trichome; vb = vascular bundles; vc = vascular cylinder; xy = xylem. Arrows indicate stomata. Scale bars: A, I and P = 150 μm; B, F, H, J, Q and U = 75 μm; C, G, K, M–N, R and T = 60 μm; D–E, L, O, S and V = 40 μm. Photomicrographs taken by Igor Soares dos Santos.