大岩桐又称落雪泥,苦苣苔科多年生盆栽球根花卉。球茎扁圆形,叶片长椭圆形,常对生,稍呈肉质,密生绒毛。花顶生或腋生,花冠钟形,大而美丽,有丝绒感,花色丰富,有红、白、粉、蓝及复色等。花期在夏季。目前各地栽培的大岩桐均为园艺杂种,经多年杂交培育选择而成,常见的大岩桐品种包括重瓣大岩桐 Big Rock Tong, also known as falling snow, potted genus Potentilla perennial potted flower. Bulb oblate, leaves oblong, often opposite, slightly fleshy, dense villi. Flowers terminal or axillary, corolla bell, large and beautiful, velvety, rich colors, red, white, pink, blue and complex color. Flowering in summer. Currently cultivated Glover are horticultural hybrids, after years of hybrid breeding choice made, the common varieties of Sinburn include double-lobed