Kadua cordata

Kadua cordata (formerly Hedyotis schlechtendahliana) is a species of flowering plant in the coffee family known by the common name kopa. It is endemic to Hawaii.

Kadua cordata
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Asterids
Order:	Gentianales
Family:	Rubiaceae
Genus:	Kadua
Species:	K. cordata
Binomial name
Kadua cordata Cham. & Schltdl.
Synonyms
Hedyotis schlechtendahliana

There are at least two varieties of the species. One, variety remyi, is a federally listed endangered species in the United States. It is known only from the island of Lanai. As of 2018^[update], one individual, a seedling, is known to exist in the wild. The U.S. Fish and Wildlife Service had reported, in its previous review in 2014, the existence of two individuals.^[1] Some specimens of the plant are kept at the National Tropical Botanic Garden on Kauai.^[1]