Moreover, rhododendron seeds are light and numerous. Even a slight breeze will carry them through the air, and when they fall on barren soil, mountain cliffs and summits, or patches of charred land left by fire, they quickly colonize this empty land as vigorous "pioneer species."
加上杜鵑種子多而輕，即使微風薰吹，落在不毛之地、山壁峰頂、百木俱枯的火災地上，如入無人之境，成為來勢洶洶的所謂「前鋒植物」、「先驅樹種」。