Pilea martinii

Pilea martinii (H. Lév.) Hand.-Mazz., Symb. Sin. 7(1): 131 1929. (syn: Boehmeria martini H.Lév.);

Nepal to Central & S. China: China North-Central, China South-Central, China Southeast, East Himalaya, Nepal, Tibet as per POWO;

China (S-Gansu, N-Guangxi, Guizhou, Hubei, Hunan, Jiangxi, S-Shaanxi, E-Sichuan, S-Yunnan), Tibet, Nepal, Bhutan, Sikkim as per Catalogue of Life;

SK 2807 25 October 2020 : 12 posts by 2 authors. 8 images- 6 to 7 mb each.
Location: Kathmandu Valley
Date:  October 2020 
Elevation: 2400m.
Habitat  : Wild
Pilea scripta (Buch.-Ham. ex D.Don) Wedd. ??

Dr. Fu has suggested ID as Pilea martinii Hand.-Mazz. ! 

What is the difference between Pilea scripta (Buch.-Ham. ex D. Don) Wedd. and Pilea martinii (H. Lev.) Hand.-Mazz. ?

I mean to ask what is the difference between Pilea umbrosa Blume and Pilea martinii (H. Lev.) Hand.-Mazz. ?