>>47984184No regional form but behavior and traits are different in region
Tauros:
The Tauros of Galar are volatile in nature, and they won't allow people to ride on their backs.
Although it's known to be a fierce Pokémon, Tauros in the Alola region are said to possess a measure of calmness.
Regional form with descriptor of X of region
Galarian Farfetch’d:
The Farfetch'd of the Galar region are brave warriors, and they wield thick, tough leeks in battle.
Non regional form that evolves into a regional form yet still has regional descriptor:
Exeggcute:
Although they are the same size as other Exeggcute, the ones produced in Alola are quite heavy. Their shells are packed full.
While it does not necessarily prove anything one way or another, Hisuian Braviary could still evolve from the usual Rufflet. Pikachu, Cubone, Exeggcute, Koffing, and Mime Jr, are proof that Pokémon without regional forms can still evolve I into species that have that form in the region. However, so far, the evolutions to already fully evolved Pokémon such as Linoone, Mr. Mime, and Farfetch’d only occur with their regional forms. Basculegion and Wyrdeer will most likely evolve from Hisuian Basculin and Hisuian Stantler.