Cactoid [5e Race]

I figure a desert world under a blood-red sun should have a cactoid race. This is based on the Cactacae from the Mieville's Bas-Lag novels as presented in Dragon #352.

Cactoid Traits
Ability Score Increase. A Cactoid's Strength score increases by 2, and your Constitution score increases by 1.
Alignment. Cactoid tend to be lawful and neutral.
Size. Cactoid are medium.
Speed. Base walking speed is 30 feet.
Powerful Build. Cactoids count as one size larger when determining carrying capacity and the weight you can push, drag, or lift.
Plant Hardiness. Cactoids have advantage on saving throws against poison and resistance against poison damage
Tough Hide. Cactoids have a natural +1 bonus to their Armor Class.
Spines. The spines covering a cactoid's body allow them to do an 1d4 points piercing damage while grappling.
Languages. Cactoids speak Common and their own language.