1.Petals white, oblong to ovate, base clawlike, apex notched and slightly incurved.

1.花瓣白，到卵，部爪状，先端具缺刻和稍弯曲。

2.Petals white, obovate or subround, base cuneate, apex notched with small incurved lobule, outer petals in umbellule sometimes enlarged (radiant).

2.花瓣白，倒卵或近，部楔，先端具缺刻具小弯曲小裂片，小伞花序外部花瓣在放大(辐射状)。