Calamus: the plant, its myths, and Walt Whitman’s poems

Botanical identity and characteristics

Acorus calamus is a clump-forming, rhizomatous marsh plant recognized by long sword-shaped leaves and a spadix-like flowering structure. Taxonomically it stands apart in the family Acoraceae as the single widely recognized species of Acorus. The plant grows in shallow water and wet soils and has been cultivated and naturalized in many temperate regions. The underground rhizome is aromatic and has been used for flavoring and traditional remedies; its texture and appearance—thick, tapered and knobbly—have invited symbolic readings in some cultures.

Uses, chemistry and safety

The rhizome of calamus has a long history of use as a spice, fragrance and herbal remedy: it can be candied, distilled for oil, or added to bitters and older flavor preparations. Modern research and regulation have flagged constituents such as β-asarone for potential toxicity, and some authorities have limited certain uses of calamus oil or extracts. In ethnobotany the plant features in treatments for digestive complaints, as a stimulant and as a ceremonial aromatic in several traditions.

Mythological and symbolic associations

Reeds and flag-like plants carry varied mythic meanings. In classical legend a youth named Kalamos (rendered Calamus in later traditions) is associated with a lamenting transformation into a reed; this tale has been read as an early literary link between reed imagery and male same-sex affection. The rhizome’s suggestive form also contributed to erotic or phallic symbolism in some folk interpretations. For further context on literary and mythic echoes, see mythic sources.

Whitman’s Calamus poems

In American literature the word is most widely known from a sequence titled "Calamus" in Walt Whitman’s Leaves of Grass. Whitman gathered several pieces—some derived from a more private set sometimes called "Live Oak with Moss"—into a cluster that explores intense bonds between men, which he often termed "the manly love of comrades." The poems appear in mid-19th-century editions of Leaves of Grass and address comradeship as a spiritual and civic foundation, pairing personal intimacy with democratic idealism. For information on Whitman and his editions see Walt Whitman and Leaves of Grass.

Significance and distinctions

Calamus thus occupies botanical, cultural and literary registers. Botanically it is a wetland species with aromatic rhizomes and a history of medicinal use; culturally and literarily it has served as a fertile image for love, loss and national feeling. The Whitman poems remain important in studies of sexuality, American poetry and the politics of friendship; the plant continues to interest horticulturists, herbalists and historians of materia medica. For discussions of sexual identity and terminology related to Whitman’s work, see related commentary on sexuality. Additional bibliographic and interpretive resources are available through general reference collections and specialist studies on symbolism and Whitman’s life.

• Botanical name: Acorus calamus (sweet flag)
• Cultural uses: flavoring, traditional medicine, fragrance
• Literary use: Whitman’s "Calamus" poems about comradeship