heptalenium

例句：

1. 1.The heptalenium plant is a rare and beautiful flowering plant.
   七叶莲是一种稀有而美丽的开花植物。
2. 2.The heptalenium plant has been used in traditional medicine for centuries.
   七叶莲在传统医学中被使用了几个世纪。
3. 3.The heptalenium plant is known for its medicinal properties and its ability to purify the air.
   七叶莲以其药用特性和净化空气的能力而闻名。