The preliminary study on geohistory of Dendrolimus punctatus and its host plants, Pinus spp. 马尾松毛虫及其寄主松属植物的地史初步考证。
Cleavage polyembryony occurs in some gymnosperms, e.g. in Pinus, but usually only one embryo develops to maturity. 裂生多胚现象通常发生在一些裸子植物中，例如松属，有时仅有一个胚可以发育成熟。
