Pueraria tuberosa, commonly known as kudzu, Indian kudzu, or Nepalese kudzu, is a climber with woody tuberculated stem. It is a climbing, coiling and trailing vine with large tuberous roots. The tubers are globose or pot-like, about 25 centimetres (9.8 in) across and the insides are white, starchy and mildly sweet. Leaves are trifoliate and alternate, while the leaflets are egg-shaped, with round base and unequal sides. They are 18 cm (7.1 in) long and 16 cm (6.3 in) wide and are hairless above. Flowers are bisexual, around 1.5 cm (0.59 in) across and blue or purplish-blue in color. The fruit pods are linear, about 2–5 cm (0.79–1.97 in) long and constricted densely between the seeds. They have silky, bristly reddish-brown hair. Seeds vary from 3 to 6 in number.
Kudzu is facing extinction in the wild because of herb hunters who trade the tubers illegally to agents of pharmaceutical or Ayurvedic companies. In the black market, the red variety kudzu tuber of about 10 kg is believed to be very expensive ranging up to lakhs of rupees. The tubers are not disturbed from the plant, but the agents draw the juice of the tuber using syringes.
- "The Plant List: A Working List of All Plant Species".
- Nidhi Pandey; J. K. Chaurasia; O. P. Tiwari; Yamini B. Tripathi (2007). "Antioxidant properties of different fractions of tubers from Pueraria tuberosa Linn". Food Chemistry. 105 (1): 219–222. doi:10.1016/j.foodchem.2007.03.072.
- Pueraria tuberosa (Roxb. ex Willd.) DC., Germplasm Resources Information Network Taxonomy for Plants, last updated April 21, 1999
- Pueraria tuberosa (Roxb.ex Willd.) DC., Flora of Pakistan, S. I. Ali & M. Qaiser (eds), 2001
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