Figure 2.

Yuhania daohugouensis gen. et sp. nov, and its details. Light microscopy. (a) The fossil embedded in yellowish tuffaceous siltstone. Some of the labeled regions are shown in later Figures. 1–4 and 12–13 are six aggregate fruits, 14–15 are immature flowers, 5 is an associated lichen (Daohugouthallus ciliiferus (Wang et al. ^2010a)), 6–10 are leaves, and 16 is a lateral bud. Bar = 2 cm, (b) details of the leaf marked as 7 in Figure 2(a), with parallel veins and entire margin. Bar = 1 mm, (c) a leaf preserved as compression to the left and as impression to the right. Bar = 1 mm, (d) detailed view of the leaf marked as 8 in Figure 2(a), with entire margin, alternating veins and stomata zones. Bar = 1 mm, (e) stem with longitudinal ridges, partially embedded in the sediments. Bar = 1 mm, (f) detailed view of the region as 15 in Figure 2(a), showing an immature flower (asterisk) in leaf (l) axil. Bar = 5 mm, (g) detailed view of the immature flower in leaf (l) axil in Figure 2(f). Bar = 1 mm, and (h) the aggregate fruit marked as 1 and 12 in Figure 2(a). Note the pedicel connected (arrow) to the stem. Bar = 2 mm.