Plant a rhizomatous herb; stamens 9 (3 per fascicle), filaments united for 1/2 or 2/3 of their length; petals white or pink; leaves with glandular dots only.

• 植株一根状茎的草本；雄蕊9(每束簇3)，去1/2的或的花丝合生其长度；花瓣白色或粉红色仅叶具腺点。