type genus of Cycadaceae: genus of widely distributed Old World evergreen tropical trees having pinnate leaves and columnar stems covered with persistent bases of old leaves
造句
用作名詞(n.)
Here sago cycas trees blossom once every year. 在這里，鐵樹一年一開花。
The Main Disease and Pest Control Countermeasures of Cycas spp. 蘇鐵主要病蟲害及其防治對策。
Chemical control technique of stem-bulb rot caused by Fusarium solani in Cycas sp. 蘇鐵鐮刀菌球莖腐爛病化學防治技術研究。