Key to Wisconsin Celastrus

• 1a.Flowers in terminal racemes or panicles, at ends of branchlets; leaf blades ovate-lanceolate to elliptic; pollen yellow; ripe capsules orange C. scandens

• 1b.Flowers in axillary cymes; leaf blades broadly obovate to nearly orbicular; pollen white; ripe capsules yellow C. orbiculatus