scor·pi·oid 
(skôrpē-oid′)
(skôrpē-oid′)adj.
1. Of, relating to, or resembling a scorpion.
2. Botany Having a zig-zag shape as a result of buds being produced alternately on opposite sides of the peduncle: a scorpioid cyme.
[Greek skorpioeidēs, scorpionlike : skorpios, scorpion + -oeidēs, -oid.]