Philodendron 'Dean McDowell' vs Philodendron pastazanum Philodendron 'Dean McDowell' is a hybrid of Philodendron pastazanum and Philodendron gloriosum created by 'John Banta'. credit : Philodendron Enthusiasts group Seedling Heat Mats Dark Gray Corner Plant Stand Foter Nephthytis afzelii is a rare rhizomatous aroid native to tropical Africa with arrowhead shaped leaves and bright orange berries. The slow growing plant is a favorite with terrarium growers but can also