• (a.) Bending away from the ground; -- said of leaves, etc.
Ap`o·ge`o·trop'ic adjective [ Prefix apo- + Greek ... earth + ... turning.] (Botany) Bending away from the ground; -- said of leaves, etc. Darwin. 
apogeotropic Characterized by the response by an organism of turning away from the earth; such as, plant stems and leaves that grow upward.