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anatropous adj.【植物;植物學】(胚珠)倒生的。

anatto

When ovule orientation is orthotropous the chalaza corresponds to the point where the funicle is attached but in anatropous and campylotropous ovules the chalaza is some distance from the funicle 當胚珠的方向是直生胚珠時,合點和珠柄連成一條直線,當胚珠是倒生胚珠或彎生胚珠時,合點和珠柄之間有一定的距離。

It lasted for more than four months from initiation of the ovulate strobilus to formation of anatropous ovules 從雌球果原基發生到胚珠分化歷時4個多月。