pyoumbilicus

例句：

1. 1.The pyoumbilicus is a rare and beautiful flower that blooms only once a year.
   这种植物一年只开一次花，非常罕见且美丽。
2. 2.The pyoumbilicus has been used in traditional medicine for centuries to treat various ailments.
   这种植物在传统医学中被使用了几个世纪来治疗各种疾病。
3. 3.In the wild, the pyoumbilicus is often found growing on rocky outcroppings or in damp soil.
   在野外，这种植物通常生长在岩石突出或湿润的土壤中。