Salvia paramiltiorrhiza is a perennial plant

Perennial plant

A perennial plant or simply perennial is a plant that lives for more than two years. The term is often used to differentiate a plant from shorter lived annuals and biennials. The term is sometimes misused by commercial gardeners or horticulturalists to describe only herbaceous perennials...

 that is native to Anhui

Anhui

Anhui is a province in the People's Republic of China. Located in eastern China across the basins of the Yangtze River and the Huai River, it borders Jiangsu to the east, Zhejiang to the southeast, Jiangxi to the south, Hubei to the southwest, Henan to the northwest, and Shandong for a tiny...

 and Hubei

Hubei

' Hupeh) is a province in Central China. The name of the province means "north of the lake", referring to its position north of Lake Dongting...

provinces in China, growing on hillsides and streamsides. S. paramiltiorrhiza has one to a few erect stems that reach 50 to 100 cm (19.7 to 39.4 in) tall. Inflorescences are 4-6 flowered widely spaced verticillasters, with a 2 to 2.5 cm (0.78740157480315 to 0.984251968503937 in) corolla that ranges from yellowish to yellow to purple-red