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. 2018 Dec 18;7:e38827. doi: 10.7554/eLife.38827

Figure 7. The flowers and their internal details.

Figure 7.

(A-C) (E-I) stereomicroscopy; (D), micro-CL. Bar = 1 mm except otherwise annotated. (A) A flower carefully dégaged to expose the details of the gynoecium. Note the petals (p) and a style (arrow) in the center. PB22282. (B) Detailed view of the style in Figure 7a, showing its connection (arrows) to the ovarian roof (fr). PB22282. Bar = 0.5 mm. (C) Distal portion of the same style as in Figure 7b, showing its connection with the ovarian roof (fr) and dendroid form with lateral branches (arrows). PB22282. Bar = 0.5 mm. (D) Micro-CL slice 1169 showing a perianth element (black arrow) and branches (white arrows) of the style, embedded in sediments and thus invisible to naked eyes, of Flower 4 in Figure 1e. PB22222a. (E–I) PB22281. (E) Side view of an organically-preserved flower with sepals (s) and petals (p). Note the dark organic material in the ovary (o) and some sepals. The foreground portion of the receptacle has been removed (compare with Figure 7i), to show the details in Figure 7f–h. (F) Detailed view of the receptacle/ovary in Figure 7e. Note the ovarian roof (fr) preventing the outside (above) sediment (yellow color) from entering the ovarian locule. Bar = 0.2 mm. (G) Detailed view of the solid organically-preserved ovarian roof (fr) with integral outer (upper arrow) and inner (lower arrow) surfaces. Bar = 0.1 mm. (H) Bottom portion of the flower in Figure 7i, showing subtending bracts (br, arrows). Bar = 0.5 mm. (I) The flower in Figure 7e, before removing the foreground portion of the ovary.