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A Figure 5. (A) Photograph of A. bisulcatus flower. (B) µXRF map showing distribution of Se (in red) and Ca (in green) in the petals of the flower. (C) µXRF map showing distribution of Se (in red) and Ca (in green) in the pistil and stamen of the flower, and in the seed pod (inset). (D) Composition of Se in all floral parts, as determined by XANES. Circles in B and C show where XANES scans were performed to determine Se composition. C B D SeCa 2 mm o 90% C-Se-C o o o o o 3% SeO32- SeCa 7% Se0 2 mm