Aggiungi la tua pronuncia di "ソテツ科"
Significati e definizioni di "ソテツ科"
Definizioni
- 中生代に豊富にあった原始の熱帯裸子植物で、現在ではいくつかの散在性で熱帯性のものに減少している
- primitive tropical gymnosperms abundant in the Mesozoic, now reduced to a few scattered tropical forms
- 古代からある、ヤシに似た植物で、動的雄性配偶子による生殖という点でシダに近縁
- ancient palmlike plants closely related to ferns in that fertilization is by means of spermatozoids
- ソテツ科の標準属：旧世界に広く分布する常緑の熱帯性高木で、羽状の葉と、落ちた葉の基部で覆われた円柱形の幹を持つ
- 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