Hedychium

Belongs within: Zingibereae.

Hedychium is a southern Asian genus of gingers bearing flowers with exserted stamens (Smith 1987).

Characters (from Smith 1987): Leaf shoots many-bladed. Inflorescence many-flowered, terminal on leafy shoot; bracts free, broad and imbricate, concealing main axis, or narrow and strap-shaped, each subtending three to six flowers; bracteoles tubular. Corolla tube slender; lobes more or less equal. Labellum conspicuous. Lateral staminodes petaloid. Filament usually long, slender; anther not crested. Ovary trilocular. Fruit a capsule.

<==Hedychium König in Retzius 1783 S87
    |  i. s.: *H. coronarium König in Retzius 1783 S87
    |         H. coccineumHE80
    |           |--H. c. var. coccineumHE80
    |           `--H. c. var. carneumHE80
    |         H. gardnerianum Sheppard ex Ker Gawler 1824 S87
    |         H. roxburghii R44
    |--+--H. flavescens Roscoe 1825KPW02, HE80 [incl. H. coronarium var. subditumHE80]
    |  `--+--H. bordelonianumKPW02
    |     `--H. greeneiKPW02
    `--+--H. villosumKPW02
       `--+--H. horsfieldiiKPW02
          `--H. longicornutumKPW02

*Type species of generic name indicated

References

[HE80] Healy, A. J., & E. Edgar. 1980. Flora of New Zealand vol. 3. Adventive cyperaceous, petalous and spathaceous monocotyledons. P. D. Hasselberg, Government Printer: Wellington (New Zealand).

[KPW02] Kress, W. J., L. M. Prince & K. J. Williams. 2002. The phylogeny and a new classification of the gingers (Zingiberaceae): evidence from molecular data. American Journal of Botany 89 (11): 1682–1696.

[R44] Rayment, T. 1944. A critical revision of species in the zonata group of Anthophora by new characters (part I). Dobutu Gaku—Iho 1 (1): 1–33.

[S87] Smith, R. M. 1987. Zingiberaceae. Flora of Australia 45: 19–34.