Cyanea angustifolia

Cyanea angustifolia is a plant in the genus Cyanea that is found in Hawaii.^[2] Leaves of this species, as well as the endangered ʻakuʻaku (Cyanea platyphylla), were wrapped in ti (kī) leaves, cooked in an ʻimu and eaten in times of food scarcity by early Hawaiians.

Cyanea angustifolia, known as Hāhā in Hawaii. It is endemic to the Hawaiian Islands. Photographed on the Waiʻanae-Kai Trail, Waiʻanae Mountains, Oʻahu

Cyanea angustifolia
Conservation status
Imperiled  (NatureServe)
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Asterids
Order:	Asterales
Family:	Campanulaceae
Genus:	Cyanea
Species:	C. angustifolia
Binomial name
Cyanea angustifolia (Cham.) Hillebr.
Synonyms[1]
Lobelia angustifolia Cham. Delissea angustifolia (Cham.) C.Presl Delissea honolulensis Wawra