Siphocranion macranthum

Siphocranion macranthum is a species of flowering plant in the family Lamiaceae. It is commonly known as big-flower siphocranion and tong guan hua in China.^[1] It is a perennial herb that is native to Assam, Myanmar, Tibet, Vietnam, South China and East Himalayas.^[2] S. macranthum grows in subtropical evergreen and mixed forests.^[3]

Siphocranion macranthum
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Asterids
Order:	Lamiales
Family:	Lamiaceae
Genus:	Siphocranion
Species:	S. macranthum
Binomial name
Siphocranion macranthum (Hook.f.) C.Y.Wu