Webster's Revised Unabridged Dictionary · 1913

Heterotropal

Heterotropal , adjective

[Greek "etero`tropos turning another way; {not transcribed} other + {not transcribed} to turn: compare French hétérotrope.]

(Botany) Having the embryo or ovule oblique or transverse to the funiculus; amphitropous. — Gray

Also: Heterotropous