Among the four growth habit types, the genetic diversity from high to low was found respectively in prostrate type, sloping type, slighting type, and erect type at both DNA and phenotypic levels.

• 在4种生长习性间，DNA水平上的遗传多样性大小依次为匍匐型，倾斜型，半直立型和直立型，表型水平的多样性与DNA水平的多样性基本一致。