Mitragyna diversifolia (Wall. ex G.Don) Havil. (Bangladesh to China (Yunnan) and Malesia as per POWO)
Mitragyna parvifolia (Roxb.) Korth. (Indian Subcontinent to Indo-China: Andaman Is., Bangladesh, Cambodia, India, Myanmar, Nepal, Nicobar Is., Sri Lanka, West Himalaya as per POWO)
Mitragyna rotundifolia (Roxb.) Kuntze (Darjiling to China (S. Yunnan) and Indo-China: Andaman Is., Assam, Bangladesh, China South-Central, East Himalaya, Laos, Myanmar, Nicobar Is., Thailand, Vietnam as per POWO)
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BSI Flora of India Checklist Vol. 2 (Distribution):
Name | Distribution |
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Mitragyna parvifolia | Almost throughout India |
Mitragyna rotundifolia | Assam, Mizoram, Tripura |
Mitragyna tubulosa | Kerala, Tamil Nadu |
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Flora of Peninsular India:
Mitragyna parvifolia
Mitragyna tubulosa
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Species with description from Flora of Pakistan (Distribution):
Mitragyna parvifolia (Roxb.) Korth. (India (Central and South), Pakistan (Punjab and Sind), Burma, Sri Lanka and Bangladesh)
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Species with distribution in annotated checklist of Flowering plants of Nepal (Distribution):
Mitragyna parvifolia (Roxb.) Korth. (150-200 m; Himalaya, India, Ceylon)
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Some species found in Indian Subcontinent with description & keys from Flora of China (Distribution):
Mitragyna diversifolia (Wallich ex G. Don) Haviland (Forests; [300-400 m]. Yunnan [Cambodia, Indonesia, Laos, Malaysia, Myanmar, Philippines, Thailand, Vietnam])
Mitragyna rotundifolia (Roxburgh) Kuntze (Dense forests; ca. 1000 m. S Yunnan [Bangladesh, India, Laos, Myanmar, Thailand])