Zingiber Boehm.

Derived from the Greek zingiberi, a Latinization of an Indian word for root.

Herbs with tuberous aromatic rhizomes and leafy stems. Leaves 2-ranked, the sheaths open opposite the blades. Flower cluster terminal or lateral spike on a leafy stem. Flowers solitary in bracts. Sterile stamen lip petal-like and 3-lobed, the connective crested. Fruit a 3-valved capsule.

Division of rhizomes.

Commercial ginger is obtained from several species, chiefly Z. officinale.

Flower clusters on leafless shoots; anther crest surrounding the protruding style.

About 85 species from tropical Asia.

Source: Spencer, R. (2005). Zingiberaceae. In: Spencer, R.. Horticultural Flora of South-eastern Australia. Volume 5. Flowering plants. Monocotyledons. The identification of garden and cultivated plants. University of New South Wales Press.

kingdom Plantae
phylum   Tracheophyta
class    Magnoliopsida
superorder     Lilianae
order      Zingiberales
family       Zingiberaceae
Higher taxa
Subordinate taxa
species         Zingiber officinale Roscoe
species         Zingiber zerumbet (L.) Sm.