Published 2015-09-30 at 1705 × 1623 in 到台北起秋!一個下午盡享陽明山的五個魔幻時刻 ← Previous Next → 白背芒花穗為紫紅色,授粉後果實會長出白色絨毛,造成由紫轉白的奇景。(Photo by テツヒコ)