From Medicinal Plants Usage
Elettaria cardamomum, commonly known as green or true cardamom, is a herbaceous perennial plant in the ginger family, native to southern India. It is the most common of the species whose seeds are used as a spice called cardamom. It is cultivated widely in tropical regions and reportedly naturalized in Réunion, Indochina and Costa Rica.<ref name="ginger">Kew World Checklist of Selected Plant Families</ref><ref>Larsen, K. (1996). A prelimanary checklist of the Zingiberaceae of Thailand. Thai Forest Bulletin (Botany) 24: 35-49.</ref><ref>Dy Phon, P. (2000). Dictionnaire des plantes utilisées au Cambodge: 1-915. Chez l'auteur, Phnom Penh, Cambodia.</ref><ref>Nelson Sutherland, C.H. (2008). Catálogo de las plantes vasculares de Honduras. Espermatofitas: 1-1576. SERNA/Guaymuras, Tegucigalpa, Honduras.</ref>
Elettaria cardamomum is a pungent aromatic herbaceous perennial plant, growing to about Template:Convert in height. The leaves are alternate in two ranks, linear-lanceolate, Template:Convert long, with a long pointed tip. The flowers are white to lilac or pale violet, produced in a loose spike Template:Convert long. The fruit is a three-sided yellow-green pod Template:Convert long, containing several black and brown seeds.
The green seed pods of the plant are dried and the seeds inside the pod are used in Indian and other Asian cuisines, either whole or ground. It is the most widely cultivated species of cardamom; for other types and uses, see cardamom.
Ground cardamom is an ingredient in many Indian curries and is a primary contributor to the flavour of masala chai. In Iran, cardamom is used to flavour coffee and tea. In Turkey, it is used to flavour the black Turkish tea, kakakule in Turkish.
As well as in its native range, it is also grown in Nepal, Vietnam, Thailand, and Central America. In India, the states of Sikkim and Kerala are the main producers of cardamom; they rank highest both in cultivated area and in production. It was first imported into Europe around 1300 BC.
The three natural varieties of green cardamom plants are:
- Malabar (Nadan/native), as the name suggests, is the native variety of Kerala. These plants have panicles which grow horizontally along the ground.
- Mysore, as the name suggests, is a native variety of Karnataka. These plants have panicles which grow vertically upwards. The Mysore variety has, however, declined in the past few decades owing to the emergence of the more resistant and better yielding 'Green Gold' variety, and which is the most common form of cardamom harvested in Kerala.
- Vazhuka is a naturally occurring hybrid between Malabar and Mysore varieties, and the panicles grow neither vertically nor horizontally, but in between.
Recently, a few planters isolated high-yielding plants and started multiplying them on a large scale. The most popular high-yielding variety is 'Njallani'. 'Njallani', also known as rup-ree-t, is a unique high-yielding cardamom variety developed by an Indian farmer, Sebastian Joseph, at Kattappana in the South Indian state of Kerala.<ref>Unsung Hero: Tale of an ingenious farmer, www.rediff.com, 30 May 2007.</ref><ref>Template:Citation</ref><ref>Template:Cite news</ref><ref>Template:Cite news</ref> K. J. Baby of Idukki District, Kerala, has developed a purely white-flowered variety of Vazhuka type green cardamom having higher yield than 'Njallani'. The variety has high adaptability to different shade conditions and can also be grown in waterlogged areas.<ref>Template:Citation</ref>
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