Fig. 3
From: The phylogenetic significance of leaf anatomical traits of southern African Oxalis
Light microscope photographs of cross sections through leaflet material, depicting various anatomical traits of Oxalis. Epistomaty: a O. purpurea (MO344), b O. ericifolia (MO1143), Hypostomaty: c O. davyana (MO1541), d O. lateriflora (MO887), Amphistomaty: e O. foveolata (MO1466), Bifacial mesophyll: f O. purpurea (MO344), g O. melanosticta (MO1485), Isobilateral mesophyll: h O. cathara (MO582), i O. ericifolia (MO1143), Homogenous mesophyll: j O. tenella (MO264), k O. oreophila (MO270), Sheath absent: l O. melanosticta (MO1485), Sheath present: m O. oreophila (MO270), n O. ciliaris (MO329), Leaflet conduplication: o O. clavifolia (MO556), p O. melanosticta (MO1485). Scale bars represent 100 μm, except for Trait 6 where scale bars represent 500 μm. All leaflets are orientated with the AD surface at the top of each image, and the AB surface at the bottom (except in (p) where the AD surface is to the left)