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[[File:IMG 2256-Chamaecostus cuspidatus.jpg|thumb|right|''Chamaecostus cuspidatus'', ''insulin Insulin plant'']] '''Chamaecostus cuspidatus''' is a species of herbaceous plant in the Costaceae family native to eastern Brazil. In India, it is known as insulin plant because of its use in Ayurvedic medicine for its purported anti-diabetic properties.

Leaves are rich in protein, iron, ad antioxidant components such as ascorbic acid, a-tocopherol, ß-carotene, terpenoids, steroids, and flavonoids. Ethanol extract of leaves yielded tannins, phlobatannins, saponin, flavonoids, terpenoids, and cardiac glycosides. Study for essential oil yielded the following major constituents in %: (Stem) hexadecanoic acid, octadecadienoic acid, dodecanoic acid, linalyl propanoate, tetradecanoic acid, A-eudesmol, y-eudesmost 4-ethoxy phenol; (Leaf) hexadecanoic acid, 2.pentanol, dodecanoic acid, ß-ionone, farnesyl acetone, a-ionone (Rhizome) hexadecanoic acid, 9,12-octadecadienoic acid, dodecanoic acid , tetradecanoic acid, linalool, a-terpinol <ref name="chemical composition"/>

{{Common names|kn=Kempu honne|ml=Honne, Karintakara, Vengai, Venna-maram|sa=Asana, Bandhukapushpa|ta=Neyccarikamaram, Venkal|te=|hi=Banda, Bija-sal, Peisar, Jarul, Keukand|en=Fiery costus, spiral flag}}.

{{Leaf|simpleSimple|alternateAlternate|entireEntire, oblong, 4-8 inches long with parallel venation, spirally arranged around the stems. Large, fleshy, smooth, and dark green leaves have a light purple underside}}.<ref name="Leaf"/>

{{Flower|unisexualUnisexual|1.5 inches in diameter|orangeOrange|5-20|on On cone-like head at the tips of branches}}

{{Fruit|short Short legume|0.5 inch||Fruits are green colored, less than 0.5 inch.|12-20 seeds}}

As this plant is perinnial. They prefer a either full sun or partial shade. It needs fertile soil &ample moisture. It is often planted near water.The substrate should be sandy loam. They can tolerate temperature only above at leaves. They are good for under planting. They reach the height up to 4-8 inches. This plant grows at the temperature zone of zone 9. It requires shade to part shade light..<ref name="How to plant/cultivate"/>

<ref name="chemical composition">[https://www.scribd.com/document/273617095/CHAMAECOSTUS-CUSPIDATUS-A-SHORT-REVIEW-ON-ANTI-DIABETIC-PLANT "Pharmacological science"]</ref><ref name="Leaf">[http://www.stuartxchange.org/InsulinPlant "philippines Philippines medicinal plants"]</ref><ref name="How to plant/cultivate">[https://www.omicsonline.org/open-access/chamaecostus-subsessilis-and-chamaecostus-cuspidatus-nees--martcspecht-and-dwstev-as-potential-sources-of-anticancer-agents-2329-6836-1000204.pdf "photochemical Photochemical reseash"]</ref>