如何使用 "apetalous" 造句

1. Herb that grows in crevices having long narrow leaves and small pink apetalous flowers .
裂缝里生长的草,叶子窄而长,开粉色无瓣小花。
2. Leaves narrowly ovate , abaxially tomentose , margin undivided or slightly undulate ; flowers usually apetalous .
叶狭卵形,背面被绒毛,边缘不裂或稍波状;花通常无花瓣。
3. Any of numerous plants of the genus urtica , having toothed leaves , unisexual apetalous flowers , and stinging hairs that cause skin irritation on contact .
齿形叶,花雌雄异体,无花瓣,接触其植物刺毛会引起皮肤过敏。