Flora of the Hawaiian Islands
Monocotyledon Literature for Hedychium coronarium
Wagner et al., 1990, 1999.
   Zingiberaceae -- The Ginger Family Bibliography
      Hedychium coronarium

Common name(s): ginger lily, `awapuhi ke`oke`o, butterfly lily, common ginger lily, garland flower, white ginger
General Information
DistributionProbably native to the Himalayas and southwestern China, widely cultivated in the tropics and frequently becoming naturalized.In the Hawaiian Islands, naturalized on O`ahu, Moloka`i, Lana`i, Maui, Hawai`i.

Coarse herbs with leafy shoots 1-2 m tall (rarely taller), rhizomes ca. 3 cm in diameter, internally pale and fragrant.
Leaves numerous, oblong lanceolate to lanceolate, 25-60 cm long, 4-11 cm wide, upper surface glabrous, lower surface pubescent or glabrate, apex acuminate, sessile or nearly so, ligules 1.7-3 cm long, 2-lobed.
Flowers fragrant, inflorescences erect, basically ellipsoid, 7-20 cm long, 4-8 cm wide, primary bracts green, oblong, imbricate, 3.5-5.5 cm long, 2-3 cm wide, rachis permanently concealed, cincinni 3-6-flowered, bracteoles tubular, 2/3 as long as primary bracts; calyx cylindrical, 2.5-4 cm long, glabrous; corolla white, the tube slender, 7-9 cm long, the lobes linear, 3-5 cm long; labellum showy, often centrally flushed with yellow or yellowish green, broadly obovate, abruptly clawed at base, as long as staminodes, 3.5-5.5 cm wide; stamen white, not exceeding labellum; lateral staminodes white, oblong lanceolate, 3-5 cm long.
Capsules oblong, ca. 3 cm long and 1.5 cm wide, the valves orange within.
Seeds bright red, elongate, ca. 4 mm long and 2.5 mm wide.
2n = 18, 34, 51, 52, 54.