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. [1913 Webster]

Source: The Collaborative International Dictionary of English v.0.48
 

anatropous adj : (of a plant ovule) completely inverted; turned back 180 degrees on its stalk [syn: inverted] [ant: amphitropous]

Source: WordNet (r) 2.0
 

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.

Source: Webster's Revised Unabridged Dictionary (1913)