A Christmas Cactus Is A Tropical, Non-Desert Succulent With Flattened, Segmented, Deep Green Stems That Have Smooth, Glossy, And Somewhat Rounded Or Crenated (Scalloped) Edges. The Plant Has A Cascading Growth Habit, Forming Arching Branches With No True Leaves. During Winter, It Produces Vibrant, Pendulous Flowers At The Stem Tips, Available In Colors Like Pink, Red, White, Purple, And Sometimes Yellow Or Peach, Which Are A Popular Indoor Holiday Decoration.