What is (a) Concave on the upper side; -- said of a leaf whose disk is lower than the border. (b) Lying flat; -- said of a stem or leaf which lies close to the ground called?

depressed — (Bot.) (a) Concave on the upper side; -- said of a leaf whose disk is lower than the border. (b) Lying flat; -- said of a stem or leaf which lies close to the ground. (Webster's 1913.)

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