The Collaborative International Dictionary
Scorpioidal
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
scorpioidal
a. (context botany English) scorpioid