1.fossil gymnospermous plants of the Carboniferous.
石炭纪的裸子植物化石。
2.any of various gymnospermous trees having yellow wood.
具有黄色木质的裸子植物树木的任何一种。
3.a family of fossil gymnospermous plants of the Carboniferous.
石炭纪裸子植物化石的一科。
4.The analysis of gymnospermous flora in Jiangxi Province
江西裸子植物区系分析