SK 2928 20 July 2021: 3 very high res. images.
Remebering to me Tetracera
Does not look a match and no distribution !
Please validate ! POWO, GBIF, CoL and IPNI described as the separate sp.
Maddenia himalaica Hook. f. & Thomson of checklist of Nepal is Prunus himalayana J.Wen, 2010 and looks different as per images at Maddenia himalaica, FOI, Bhutan Biodiversity Portal etc.