Two Callitriche Species Used in the Recent University of Tokyo Research Study (IMAGE)

University of Tokyo

Two Callitriche Species Used in the Recent University of Tokyo Research Study

Caption

Plants in the genus Callitriche are short and have oval-shaped leaves about 1 cm in size. Amphibious Callitriche palustris (left, photographed in Matsuyama, Ehime Prefecture) often grows in small water channels in rice paddies. Terrestrial Callitriche japonica (right, photographed in Nagoya) can be found in parks or near shrines in urban areas. By studying these species, researchers at the University of Tokyo uncovered a pattern in how plants evolved their equivalent of lungs - tiny pores on the surfaces of leaves called stomata.

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Hiroyuki Koga, CC BY 4.0

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