From the Wikipedia page .
Mao feng (毛峰) is a term in tea manufacture denoting the picking of a bud and two leaves of equal length. Mao feng teas have a broad, curved, flat shape. It is considered one of the choicest shapes of tea leaf.
Mao feng teas include Huang Shan Mao Feng tea, one of the Famous Teas of China, and Keemun Mao Feng.