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

1.花瓣，圆到卵，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，倒卵或近圆，楔，先端具缺刻具小弯曲小裂片，小伞花序外花瓣在放大(辐射状)。