adj.(of a plant ovule) completely inverted; turned back 180 degrees on its stalk
同义词：inverted
英汉双解大词典
anatropous/əˈnætrəpəs/
1.
ADJ（形容词）
(of a plant ovule) inverted during development by a bending of the stalk (funicle) attaching it to the carpel wall (胚珠)倒生的 → compare orthotropous