Female perianth lobes unequal, abaxial lobe somewhat hooded, 1/2 as long as achene, lateral 2 lobes triangular-ovate, shorter, membranous.

• 雌花花被裂片不等长，背面裂片有点盔状，1/2倍于瘦果，三角状卵形的侧2裂片，短，膜质。