Anatropous

[ә'nætrәpәs]

(adj.) (of a plant ovule) completely inverted; turned back 180 degrees on its stalk .

校對:罗赞--From WordNet

(a.) Having the ovule inverted at an early period in its development, so that the chalaza is as the apparent apex; -- opposed to orthotropous.

埃尔罗伊校對