Botanical names: Salacca wallichiana, Zalacca rumphii
Common names: Salak Kumbar, Sala
Family: Arecaceae / Palmae
Origin: Thailand
A dioecious, creeping and tillering palm, growing in clumps with very spiny leaves. In palms over 100 years old, the creeping stem can reach 3-4 m, with an erect terminal leaf-bearing part 1 m tall and with many adventitious roots, most abundant towards the tip.
Similar plants: Salacca wallichiana (Salak Kumbar)
Link to this plant:
https://toptropicals.com/catalog/uid/salacca_wallichiana.htm