CHRYSOPHYLLUM
From Palmpedia - Palm Grower's Guide
The synonym for Codiaeum variegatum Chrysophyllum is Hookerianum.
REF: Brown, B. Frank 1995 Crotons of the World p.19
This croton has medium-long leaves, and the center and petioles are brilliant yellow.
REF: Reasoner's Tropical Nurseries inc, croton listing. Group II, Better Standard Varieties, p.3.