Zanonia indica subsp. orientalis W.J.de Wilde & Duyfjes, Blumea 52: 284 2007.; 
 
Thailand, peninsular Malaysia (Kedah, Penang, Perak, Johor), NE-India, Laos,
Myanmar [Burma],
Philippines (Negros, Mindanao), Moluccas (Sulu Arch.), Sri
Lanka
, Thailand, Bangladesh, Java, Vietnam, Moluccas, New Guinea, Borneo,
Sulawesi, Sumatra
as per Catalogue of Life


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MS Feb, 2020/11 Zanonia sp.(indica ?) for Id. : 4 posts by 2 authors. Attachments (1)

Location : Reiek, Mizoram

Date : Unknown

Habit : Climber
Habitat : Wild


Thanks, … What are the species reported from your area ? Is there any keys available ?


Do have images of the leaves etc. ?

Pl. also see the following:
Flora of China  Flora Malesiana  Wikimedia Commons  Flickr  Kerala Plants  Catalogue of Life


Not recorded in Flora of Mizoram. Not seen its leaves. I think it is Zanonia indica


Thanks, …

I think Zanonia indica subsp. orientalis W. J. de Wilde & Duyfjes is distributed in your area as per Catalogue of life and Flora of China  Flora Malesiana 
I think matches as per specimen 1 specimen 2 in GBIF




References:

DIVERSITY IN ZANONIA INDICA (CUCURBITACEAE) W.J.J.O. de Wilde & B.E.E. Duyfjes BLUMEA 52: 281–290 2007 (pdf)