Arboretum » Campus Plant Identification – McConnell Center » McConnell Center east – Aloe arborescens (Candelabra aloe), Euphorbia resinifera (Resin spurge), Opuntia quimilo McConnell Center east – Aloe arborescens (Candelabra aloe), Euphorbia resinifera (Resin spurge), Opuntia quimilo