1. This particular species of plant is hapaxanthous, blooming only once in its lifetime.
这种特定的植物是一生只开一次花的，只在其一生中开花一次。

2. Hapaxanthous flowers are typically large and showy, attracting pollinators with their vibrant colors.
一生只开一次花的花朵通常又大又艳丽，通过其鲜艳的颜色吸引传粉者。