Petals 4, pink to reddish lavender, oblong-ovate, 4-4.5 mm, inclined to one side, both sides near margin pellucidly glandular, apex acuminate.

• 花瓣4，粉红色到带红色淡紫色，长圆状卵形，4-4.；5毫米，向一边倾斜，两面接近边缘透明地具腺，先端渐尖。