The Collaborative International Dictionary
Scorpioid
Scorpioid \Scor"pi*oid\, Scorpioidal \Scor`pi*oid"al\, a. [Gr. ?; ? a scorpion + e'i^dos form.] 1. Having the inflorescence curved or circinate at the end, like a scorpion's tail.
Wiktionary
scorpioid
a. 1 Of, pertaining to, or appearing like a scorpion. 2 (context botany English) Resembling a scorpion's tail, as in a scorpioid cyme; circinate.