联系红花木莲花粉粒数目和胚珠数目进行探讨，认为雄配子体发育不是影响红花木莲结籽率低的主要因素。

The process of male gamete formation was not considered as an important factor responsible for the low seeding rate.

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基于返祖性畸形三胚珠球花的出现及其他形态特征，认为麻黄属胚珠数目减少是该属内物种特化的一个趋势；

Reduction of ovule number as a tendency of speciation in the genus is substantiated by the occurrence of tri_ovulate cones coupled with comprehensive characters of the genus.

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