Philodendron alternansPhilodendron alternans at a glance: Philodendron alternans is an elegant Brazilian hemiepiphyte with narrow, lanceolate leaves that stay sleek and deep green above while remaining noticeably lighter on the underside. It is a climber rather than a rosette former, and that vertical habit matters because the plant looks best when it is given something to attach to instead of being left to flop. In bright, stable conditions it can reach around 1. 52 m on