Figure 1

A cherry blossom, Prunus x yedoensis cv. Somei-Yoshino, Japanese flowering cherry. The photo was taken in the campus of Hamamatsu University School of Medicine (Hamamatsu, Japan). Scale bar, 1 cm.
A cherry blossom, Prunus x yedoensis cv. Somei-Yoshino, Japanese flowering cherry. The photo was taken in the campus of Hamamatsu University School of Medicine (Hamamatsu, Japan). Scale bar, 1 cm.