pectinirhomb

例句：

1. 1.The pectinirhomb is a rare and beautiful flower that blooms only once a year.
   这种罕见的美丽花朵每年只开一次花。
2. 2. The pectinirhomb is considered a symbol of beauty and elegance.
   这种美丽的花朵被视为美丽和优雅的象征。
3. 3. The pectinirhomb was discovered in the Amazon rainforest, where it grows in clusters of five flowers.
   这种美丽的花朵在亚马逊雨林被发现，以五朵花的簇生形式生长。