无龙骨瓣的

例句：

1. 1. The flower has no petals, which makes it look different from other flowers.
   这个花没有花瓣，看起来与其他花不同。
2. 2.The butterfly's wings are covered in delicate scales, without any petals or sepals.
   这只蝴蝶的翅膀上覆盖着精致的鳞片，没有花瓣或萼片。
3. 3. The plant has no petals, making it stand out among its relatives.
   这种植物没有花瓣，使它在同类中显得突出。