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