Yes, ABELES is a Scrabble word!

Letter values in Scrabble US: A 1, B 3, E 1, L 1, E 1, S 1.

Is it a valid word?

ABELES is a valid word in the official Scrabble dictionary (US), the UK Scrabble Dictionary and Words with Friends (ENABLE).

a poplar that is widely cultivated in the United States; has white bark and leaves with whitish undersurfaces

Also: white poplar, white aspen, aspen poplar, silver-leaved poplar, populus alba.