Siphocranion macranthum

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

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. It is a perennial herb that is native to Assam, Myanmar, Tibet, Vietnam, South China and East Himalayas. S. macranthum grows in subtropical evergreen and mixed forests.