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(kăl`əməs): see arumarum,
common name for the Araceae, a plant family mainly composed of species of herbaceous terrestrial and epiphytic plants found in moist to wet habitats of the tropics and subtropics; some are native to temperate zones.
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Grass-like plant with cattail-type leaves and thin green “finger” sticking out from leaf stalk. The root is the part used, for indigestion (because it’s bitter), stomach, heartburn, spasms, colds, coughs, aphrodisiac.



the hollow lower part of the shaft of a feather. The calamus is partly beneath and partly above the skin. It lacks a vane and is usually semitransparent. Inside the calamus is a membranous formation. The calami of the flight feathers, which experience considerable stress during flight, are attached to the bones of the wings.

References in periodicals archive ?
This supposition becomes even more plausible when we consider the ways in which Whitman links the calamus root in his poetry to literary representations of drugged consciousness.
I will argue that Whitman's representation of the poetic speaker's psychological response to the calamus root closely resembles Ludlow's descriptions of hashish intoxication.
In the same way that Ludlow and many other Americans linked drugs with divisive psychological changes, Whitman establishes a causal relationship between the calamus root and the poetic speaker's remarkable, yet impenetrable, interiority.
By making the speaker's difference the result of a "conversation" with a calamus root, Whitman indicates that he knows about its capacity to derange normal mental activity.