
Costus is a genus of herbaceous perennial plants in the family Costaceae, described by Linnaeus in 1753. It is widespread through tropical and subtropical regions of Asia, Africa, and the Americas.
GENUS
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Costus is a genus of herbaceous perennial plants in the family Costaceae, described by Linnaeus in 1753. It is widespread through tropical and subtropical regions of Asia, Africa, and the Americas.
Costus is often characterized and distinguished from relatives such as Zingiber (true ginger) by its spiraling stems. The genus as a whole is thus often called spiral gingers, but this can also refer to C. barbatus specifically. It is important not to confuse Costus scaber, C. spectabilis etc. with the herb known by the common name "costus".
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