Euphorbia Ingens Marmorata, commonly known as the Marble Tree or Candelabra Tree, is a succulent plant that belongs to the family Euphorbiaceae. It is native to South Africa and Namibia, where it is found in arid regions with well-draining soils.

Euphorbia Ingens Marmorata requires relatively low maintenance. Here are some care tips:

1) Light: It prefers bright, indirect sunlight and can tolerate partial shade. Avoid placing it in direct sunlight for extended periods, as it may cause sunburn on the leaves.

2) Temperature: It is relatively tolerant of temperature fluctuations and can thrive in a wide range of temperatures between 10-30 degrees Celsius (50-86 degrees Fahrenheit).

3) Watering: Allow the soil to dry out between waterings, as Euphorbia Ingens Marmorata is adapted to arid conditions and can suffer from root rot if over-watered. Avoid getting water on the leaves, as it may cause spots or damage.

4) Soil: Well-draining soil mix, such as cactus or succulent mix, is ideal for Euphorbia Ingens Marmorata. Avoid using heavy or clayey soils that can retain excess moisture.

5) Fertilizer: Fertilize sparingly with a balanced, diluted succulent fertilizer during the growing season (spring and summer) to promote healthy growth.

Use: Euphorbia Ingens Marmorata is often grown as an ornamental plant for its unique, tree-like appearance with multiple branches arranged in a candelabra-like form. It can be used as a striking focal point in desert-themed or succulent gardens, or as an interesting addition to indoor plant collections. 

Silver-white Euphorbia ingens marmorata, rooted & well established cutting, from my own succulent collection; own propagation - rejuvenation of the mother plant; planted in self-mixed permeable organic substrate, the plant does not need to be repotted now for the next 1-2years, not overfertilized therefore top healthy and robust, grown slowly in the winter garden (with the growth pause in winter at about 15C), not hardy, rare white/yellow variegata form, just beautiful, for a sunny location; the plant grows quite big with time; enjoy your new Euphorbia ingens marmorata!