Turmeric - Curcuma longa L.
The Plant Turmeric is a perennial herb belonging to the ginger family, Zingiberaceae. Its scientific name is Curcuma longa L., and the plant is closely related to ginger and other members of the genus Curcuma. It is native as a cultivated plant to South Asia and is now grown widely throughout tropical and subtropical regions. The plant grows upright, usually reaching around one metre in height. Its large, elongated leaves emerge from a short underground stem and form a dense leafy shoot. Beneath the soil is the part for which turmeric is best known: a thick, branched rhizome. A rhizome is an underground stem, not a root. In turmeric, it stores nutrients that allow the plant to grow again from season to season. The rhizomes are naturally orange-yellow inside, giving turmeric its familiar colour. Turmeric is unusual in another way. The cultivated plant does not normally reproduce through viable seed. Instead, it is propagated through its rhizomes, allowing one plant to give rise to ...