Saxifraga viridiflorum, an unusual new species from Guangxi, China

Saxifraga viridiflorum, a remarkable new species of the genus Saxifraga sect. Irregulares (Saxifragaceae) from Guangxi, is described and illustrated herein. This new species morphologically differs from all known congeneric taxa by its greenish petals, verruculose sepals, and thick leathery leaf blade abaxially scarlet with white spots.