Strobilanthes formosana

Strobilanthes formosana is a species of flowering plant in the family Acanthaceae, native to Taiwan.^[1] A perennial herb reaching 80 cm (31 in), it is found in forest ravines, at elevations from 700 to 2,300 m (2,300 to 7,500 ft).^[2] Paiwan people extracted a blue dye from its roots.^[3]

Strobilanthes formosana
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Asterids
Order:	Lamiales
Family:	Acanthaceae
Genus:	Strobilanthes
Species:	S. formosana
Binomial name
Strobilanthes formosana S.Moore
Synonyms[1]
Goldfussia formosana (S.Moore) C.F.Hsieh & T.C.Huang