Notes on the harvest of Cryptocoryne spiralis rhizomes in South Tamil Nadu
Abstract
Background: Cryptocoryne spiralis (Retz.) Fisch. ex Wydler, is a helophytic genus of Araceae; its rhizomes have traditionally been used in Southern India as a substitute for Indian Atees (Ativisha), a valued crude drug of Indian medicine. This study documents the harvesting practices of C. spiralis rhizomes from the wild in the Tirunelveli district, Tamil Nadu, India.
Methods: Field surveys were conducted between February and May, 2025, and information was recorded from local people involved in the collection of C. spiralis.
Results: The collectors usually harvest the rhizomes during summer; one group that comprises about 7-10 persons can collect about 75 kg of dried material per season. The produce was marketed to the local mandis, through the middlemen. The collectors received a daily wage of around ₹300 (≈3.15 USD) per person. According to the market trend of May 2025, the cost of dried C. spiralis rhizome was around ₹2,500 (≈26 USD) per kilogram; this cost was about 40% lower than that of A. heterophyllum rhizomes. Increasing demand had led to overharvesting and a reduction in the natural regeneration of the rhizomes.
Conclusion: The study underscores the need for systematic assessments on the local uses, trade, ecological impact, cultivation strategies, and conservation measures to ensure the sustainable utilisation of C. spiralis.
Keywords: Ayurveda; Aconitum heterophyllum; Ativisha; Nattu Athividayam; Siddha
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