antitropous — adjective Displaying, of, or pertaining to antitropy … Wiktionary
antitropous — … Useful english dictionary
Antitropal — An*tit ro*pal, Antitropous An*tit ro*pous, a. [Pref. anti + Gr. ? turn, ? to turn.] (Bot.) At the extremity most remote from the hilum, as the embryo, or inverted with respect to the seed, as the radicle. Lindley. [1913 Webster] … The Collaborative International Dictionary of English
Radicle — In botany, the radicle is the first part of a seedling (a growing plant embryo) to emerge from the seed during the process of germination. The radicle is the embryonic root of the plant, and grows downward in the soil(The shoot emerges from the… … Wikipedia