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. 2017 Dec 23;121(3):483–488. doi: 10.1093/aob/mcx181

Fig. 1.

Fig. 1.

Cycas revoluta leaf axis anatomy. All transverse sections. (A) Petiole base displaying the inverted omega pattern. (B) Single vascular bundle, toluidine blue stain. (C–G) Details of components of the omega pattern; unstained in (C), (F) and (G); stained in phloroglucinol and HCl in (D) and (E) to show the orientation of the metaxylem. (C) Circle bundles. (D) Left circle bundles. (E) Right circle bundles. (F) Detail of column and left wing bundles. (G) Detail of column and right wing bundles. (A) Scale bar = 2 mm; (B) scale bar = 100 µm; (C–G) scale bars = 300 µm.