Costus

Costus is a genus of perennial tropical herbaceous plants from the costus family (Costaceae). They are often characterized and distinguished from relatives such as Zingiber (true ginger) by their spiraling stems. The genus as a whole is thus often called spiral gingers, but this can also refer to C. barbatus specifically. Costus spectabilis is the...
Found on http://en.wikipedia.org/wiki/Costus

Costus

(from the article `Zingiberales`) ...which act as an additional store of food and water. Many such plants produce their inflorescences in the latter part of the dry season before the ...
Found on http://www.britannica.com/eb/a-z/c/148

Costus

Costus is a genus of perennial herbaceous plants belonging to the family Scitaminaceae. They occur in the tropical parts of the world. The flowers are borne in brilliant spikes, the bright effect being due to the lip, or enlarged staminodium of each flower.
Found on http://www.probertencyclopaedia.com/browse/BCA.HTM
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