The Collaborative International Dictionary
Anatropal
Anatropal \A*nat"ro*pal\, Anatropous \A*nat"ro*pous\, a. [Gr. ?
up + ? to turn.] (Bot.)
Having the ovule inverted at an early period in its
development, so that the chalaza is as the apparent apex; --
opposed to orthotropous.
--Gray.
Wiktionary
anatropal
a. (context botany English) anatropous