Costus spectabilis

Yellow trumpet
Plate by Matilda Smith (1854–1926) Curtis’s Botanical Magazine
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Monocots
Clade:	Commelinids
Order:	Zingiberales
Family:	Costaceae
Genus:	Costus
Species:	C. spectabilis
Binomial name
Costus spectabilis (Fenzl) Schumann
Synonyms
Cadalvena dalzielii C.H.Wright Cadalvena pistiifolia (K.Schum.) Baker Cadalvena spectabilis Fenzl Costus pistiifolius K.Schum. Kaempferia spectabilis (Fenzl) Baker Kaempferia spectabilis Bentham & Hooker

Costus spectabilis, commonly known as the yellow trumpet, is an African, gregarious species of herb; low and perennial, it is found from Sierra Leone to Sudan to as far south as Angola and Zimbabwe.