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

Common name(s): ginger lily, `awapuhi kahili, kahili, kahili ginger
General Information
DistributionNative to the Himalayas and adjacent regions, cultivated in the tropics.In the Hawaiian Islands, naturalized on Kaua`i, O`ahu, Lana`i, Maui, Hawai`i.

Coarse herbs with leafy shoots 1-2 m tall.
Leaves ovate-elliptic, 20-45 cm long, 10-15 cm wide, glabrous or sparsely pubescent along midrib on lower surface, apex short-acuminate, petioles 1-2 cm long, ligules membranous, 1.5-3 cm long, entire or very shallowly 2-lobed, glabrate, sheaths glabrous or glabrate.
Inflorescences erect, cylindrical, 16-30(-45) cm long, primary bracts widely spaced, ovate-elliptic, spreading or obliquely ascending, enfolding the cincinni, much shorter than the floral tube, 3-5 cm long, glabrous, rachis glabrous, exposed, cincinni 2-flowered; calyx cylindrical, 3-lobed, 3-3.5 cm long; corolla yellow, the tube longer than the primary bract, 5-5.5 cm long, the lobes greenish yellow, linear, 3.5-5 cm long; labellum centrally tinged orange, 2.5-3 cm long; stamen bright reddish orange, far exceeding labellum, ca. 6.5 cm long; lateral staminodes yellow, ca. 3 cm long; ovary glabrous.
Capsules oblong, ca. 1.5 cm long, the valves orange within.
Seed red, 5-6 mm long.
2n = 34, 54