India (Uttar Pradesh, Meghalaya, Assam, Manipur), Bhutan, Bangladesh, Myanmar
[Burma], China (Anhui, Guangdong, Hubei, S-Jiangsu, N-Jiangxi, N-Zhejiang),
Vietnam, Myanmar [Burma] (Kachin, Mandalay, Sagaing)
as per Catalogue of Life;

Herb Id from Bangladesh SM029 : 7 posts by 4 authors. Attachments (1).  
Habit: Ground creeper

Habitat: Wetland floodplain

Location: Tanguar Haor, Taherpur, Sunamganj

Flowering: Winter

Clematis cadmia Ham.?

Nice looking flowers. Thanks for sharing.

Clematis– some‎ species in India & eFI with some keys

You can see ternate leaves in the modified pic.

You can read info –

Thanks ! I will give it to Roney Da (Ronald Halder), He is actually a nature photographer.