Chinese knotweed
A tropical and subtropical plant. In Nepal it grows between 700-2200 m altitude. It grows in moist, open places. It grows in wetlands. It occurs in natural forest clearings and in abandoned gardens. It is mostly between 1000 m and 2500 m altitude. It occurs in the Western Ghats in India. In XTBG Yunnan.
Also known as:
Ameta, Angom-yensil, Bai fan teng, Bai-vu, Bakhre thotne, Behu, Besongali, Bilichini, Boktaung, Chorakam, Delap, Duoi tom, Ganigalu, Gelaiche, Heganturia, Ja-lynnong, Jampera, Kaker bantabhat, Kakka karumbu, Kakur thotne, Kelnap, Kuki, Kundyut-pam, La lom, Lorum, Lymbeh, Madhu soleng, Madhuri tenga, Maha-gar-kyan-sit, Maikhri thai, Mekri donok, Modhu soleng, Mohicharan sak, Narali, Obei-o kati, Obiovu, Okhi morokpo, Okung, Paral, Phiahapa, Pokok semuloh, Qaub yag, Ta-ham, Theidon, Thom lom, Wetkyein, Yerumai naakku chedi
Synonyms
- Polygonum chinense L.
- Ampelygonum chinense (L.) Lindley
- Coccoloba crispata Buch.-Ham. ex Roxb.
- Polygonum auriculatum Lam.
- Polygonum brachiatum Lam.
- Polygonum patens D.Don
Edible Portion
- Leaves, Seeds, Leaves - tea, Flowers, Fruit
Where does Chinese knotweed grow?
Found in: Asia, Bangladesh, Bhutan, China, Himalayas, India, Indochina, Indonesia, Japan, Korea, Laos, Malaysia, Myanmar, Nepal, Northeastern India, Pacific, Pakistan, Papua New Guinea, PNG, Philippines, SE Asia, Sikkim, Sri Lanka, Taiwan, Thailand, Vietnam
Notes: There are about 50 Polygonum species. It is used in medicine.
Status: The ripe fruit are eaten by children. It is sold in local markets.
Growing Chinese knotweed
Cultivation: It grows wild from seed. Plants are grown seed.
Edible Uses: The young leaves are eaten as a salad or condiment. The harvested leaves can be stored for 4-5 days. They are cooked and used as a vegetable. They are used in curries and chutney. The tender leaves and shoots are pickled. They are also eaten fresh. The flowers are acidic and are eaten raw. The small nutlets are also eaten. CAUTION Several Polygonums or smart weeds are considered poisonous for animals.
Nutrition Info
per 100g edible portionEdible Part | Energy (kcal) | Protein (g) | Iron (mg) | Vitamin A (ug) | Vitamin c (mg) | Zinc (mg) | % Water |
---|---|---|---|---|---|---|---|
- | - | - | - | - | - |
References
Ambasta, S.P. (Ed.), 2000, The Useful Plants of India. CSIR India. p 479
Anderson, E. F., 1993, Plants and people of the Golden Triangle. Dioscorides Press. p 218 (As Polygonum chinense)
Angami, A., et al, 2006, Status and potential of wild edible plants of Arunachal Pradesh. Indian Journal of Traditional Knowledge 5(4) October 2006, pp 541-550
Bandyopadhyay, S. et al, 2009, Wild edible plants of Koch Bihar district, West Bengal. Natural Products Radiance 8(1) 64-72
BARC, 2016, State of Biodiversity for Food and Agriculture in Bangladesh. Bangladesh Agricultural Research Council. (As Ampelygonum chinense)
Baro, D., Baruah, S. and Borthukar, S. K. 2015, Documentation on wild vegetables of Baksa district, BTAD (Assam). Scholars Research Library. Archives of Applied Science Research, 2015, 7 (9):19-2 (As Polygonum chinense)
Barua, U., et al, 2007, Wild edible plants of Majuli island and Darrang districts of Assam. Indian Journal of Traditional Knowledge 6(1) pp 191-194
Burkill, I.H., 1966, A Dictionary of the Economic Products of the Malay Peninsula. Ministry of Agriculture and Cooperatives, Kuala Lumpur, Malaysia. Vol 2 (I-Z) p 1822
Cao, Y., et al, 2020, Ethnobotanical study on wild edible plants used by three trans-boundary ethnic groups in Jiangcheng County, Pu’er, Southwest China. Journal of Ethnobiology and Ethnomedicine (2020) 16:66 (As Polygonum chinense)
Deka, N. & Devi, N., 2015, Wild edible aquatic and marshland angiosperms of Baka district, BTC area, Assam, India. Asian J. Plant Sci. Res. 5(1):32-48
Devi, O.S., P. Komor & D. Das, 2010, A checklist of traditional edible bio-resources from Ima markets of Imphal Valley, Manipur, India. Journal of Threatened Taxa 2(11): 1291-1296
Dutta, U., 2012, Wild Vegetables collected by the local communities from the Churang reserve of BTD, Assam. International Journal of Science and Advanced Technology. Vol. 2(4) p 122
Ethnobotany of Karbis. Chapter 4 in p 99 (As Polygonum chinense)
Flora of Pakistan. www.eFloras.org
French, B.R., 1986, Food Plants of Papua New Guinea, A Compendium. Asia Pacific Science Foundation p 378
Henty, E.E., in Womersley, J.S., (ed), 1978, Handbooks of the Flora of Papua New Guinea. Melbourne University Press,Victoria. Vol 1, p 234
Jain et al, 2011, Dietary Use and Conservation Concern of Edible Wetland Plants at Indo-Burma Hotspot: A Case Study from Northeast India. Journal of Ethnobiology and Ethnomedicine 7:29 p 7 (As Polygonum chinense)
Kar, A., 2004, Common wild vegetables of Aka tribe of Arunachal Pradesh. Indian Journal of Traditional Knowledge 3(3) pp 305-313
Kar, A., & Borthakur, S. K., 2007, Wild vegetables sold in local markets of Karbi Anglong, Assam. Indian Journal of Traditional Knowledge. 6(1) January 2007, pp 169-172
Kar, A., et al, 2013, Wild Edible Plant Resources used by the Mizos of Mizoram, India. Kathmandu University Journal of Science, Engineering and Technology. Vol. 9, No. 1, July, 2013, 106-126
Khodram,S. D., et al, 2019, Local knowledge of edible flowers used in Mizoram. Indian Journal of Traditional Knowledge Vol 18(40 pp 715-723
Kumar, Y J. et al, 1987, Further Contribution to the Ethnobotany of Meghalaya: Plants used by "War jaintia" of Jaintia Hill District. Econ. Tax. Bot. Vol 11 No. 1 pp 65-
Kuo, W. H. J., (Ed.) Taiwan's Ethnobotanical Database (1900-2000), http://tk.agron.ntu.edu.tw/ethnobot/DB1.htm
Li, D. et al, 2017, Ethnobotanical survey of herbal tea plants from the traditional markets in Chaoshan, China. Journal of Ethnopharmacology. 205 (2017) 195-206 (As Polygonum chinense)
Lokho, K. & Narasimhan, D., 2013, Ethnobotany of Mao-Naga Tribe of Manipur, India. Pleione 7(2): 314-324
Lungphi, P., Wangpan, T. & Tangjang, S., 2018, Wild edible plants and their additional uses by the Tangsa community living in the Changlang district of Arunachal Pradesh, India. Pleione 12(2): 151 - 164. 2018.
Manandhar, N.P., 2002, Plants and People of Nepal. Timber Press. Portland, Oregon. p 354
Medhi, P., Sarma, A and Borthakur, S. K., 2014, Wild edible plants from the Dima Hasao district of Assam, India. Pleione 8(1): 133-148
Mot So Rau Dai an Duoc O Vietnam. Wild edible Vegetables. Ha Noi 1994, p 204
Narayanan Ratheesh, M. K. et al, 2011, Wild edible plants used by the Kattunaikka, Paniya and Kuruma tribes of Wayanad District, Kerala, India. Journal of Medicinal Plants Research Vol. 5(15), pp. 3520-3529
Nayaham, M. C., et al, 1993, Less Known Edible Fruit - Yielding plants of Nilgiris. Ancient Science of Lif. Vol. X11 Nos. 3 & 4, pp 363-376 (As Polygonum chinensis)
Pagag, K. & Borthakur, S.K., 2012, Wild edible wetland plants from Lakhimpur district of Assam, India. Pleione 6(2): 322 - 327
Pasha, M. K. & Uddin, S. B., 2019, Minor Edible Fruits of Bangladesh. Bangladesh J. Plant Taxon. 26(2): 299–313 (As Ampelygonum chinense)
Patiri, B. & Borah, A., 2007, Wild Edible Plants of Assam. Geethaki Publishers. p 114
Pegu, R., et al, 2013, Ethnobotanical study of Wild Edible Plants in Poba Reserved Forest, Assam, India. Research Journal of Agriculture and Forestry Sciences 1(3):1-10 (As Polygonum chinensis)
Pfoze, N. L., et al, 2012, Survey and assessment of floral diversity on wild edible plants from Senapati district of Manipur, Northeast India. Journal or Biodiversity and Environmental Sciences. 1(6):50-52
Pham-Hoang Ho, 1999, An Illustrated Flora of Vietnam. Nha Xuat Ban Tre. p 747
Powell, J.M., Ethnobotany. In Paijmans, K., 1976, New Guinea Vegetation. Australian National University Press. p 111
Ramachandran, V. S., 2007, Wild edible plants of the Anamalais, Coimbatore district, western Ghats, Tamil Nadu. Indian Journal or Traditional Knowledge. 6(1) pp 173-176
Ramachandran,V. S., & Udhayavani, C., 2013, Knowledge and uses of wild edible plants by Paniyas and Kurumbas of Western Nilgiris, Tamil Nadu. Indian Journal of Natural Products and Resources. 4(4) December 2013, pp 412-418
Sangma, A. j. T., 2018, Non-timber forest products (NTFPs) used by Garo tribe of Rongram block in West Garo Hills, Meghalaya. Indian Journal of Traditional Knowledge Vol 18 (1), pp 151-161
Sarma, H., et al, 2010, Updated Estimates of Wild Edible and Threatened Plants of Assam: A Meta-analysis. International Journal of Botany 6(4): 414-423
Savita, et al, 2006, Studies on wild edible plants of ethnic people in east Sikkim. Asian J. of Bio Sci. (2006) Vol. 1 No. 2 : 117-125 (As Polygonum chinense)
Sawian, J. T., et al, 2007, Wild edible plants of Meghalaya, North-east India. Natural Product Radiance Vol. 6(5): p 420
Sci. World (Japan) 24:298. 1926
Singh, H.B., Arora R.K.,1978, Wild edible Plants of India. Indian Council of Agricultural Research, New Delhi. p 33
Sp. pl. 1:363. 1753
Tanaka, Y & Van Ke, N., 2007, Edible Wild Plants of Vietnam. Orchid Press. p 121
Teron, R. & Borthakur, S. K., 2016, Edible Medicines: An Exploration of Medicinal Plants in Dietary Practices of Karbi Tribal Population of Assam, Northeast India. In Mondal, N. & Sen, J.(Ed.) Nutrition and Health among tribal populations of India. p 154
Tewari, D.N., 1994, Important Plants of India. International Book Distributors, India. p 74
Tsering, J., et al, 2017, Ethnobotanical appraisal on wild edible plants used by the Monpa community of Arunchal Pradesh. Indian Journal of Traditional Knowledge. Vol 16(4), October 2017, pp 626-637
Vartak, V.D. and Kulkarni, D.K., 1987, Monsoon wild leafy vegetables from hilly regions of Pune and neighbouring districts, Maharashtra state. J. Econ. Tax. Bot. Vol. 11 No. 2 pp 331-335
Whitney, C. W., et al, 2014, Conservation and Ethnobotanical Knowledge of a Hmong Community in Long Lan, Luang Prabang, Lao People’s Democratic Republic. Ethnobotany Research and Applications 12:643-658
World Checklist of Useful Plant Species 2020. Royal Botanic Gardens, Kew
www.eflora.org Flora of China
Xu, You-Kai, et al, 2004, Wild Vegetable Resources and Market Survey in Xishuangbanna, Southwest China. Economic Botany. 58(4): 647-667. (As Polygonum chinense)