Adenium Indoor Plant . If you plant an adenium in a tall, thin container, the root structure will be more carrot shaped and not provide much stability. Adenium obesum is a poisonous species of flowering plant belonging to tribe Nerieae of subfamily Apocynoideae of the dogbane family, Apocynaceae, that is native to the Sahel regions, south of the Sahara (from Mauritania and Senegal to Sudan). Adenium obesum house plant. Desert Rose. RHS AGM ... (Hulda Washington) Free delivery and returns on eBay Plus items for Plus members. If you plant an adenium in a tall, thin container, the root structure will be more carrot shaped and not provide much stability. See more ideas about adenium, desert rose, trees to plant. Adenium "paddle shaped" crested Scientific name : Adenium Origin : Thailand Flower colour : soft pink Soil : cactus soil/ very well drained sun/shade : full sun watering. Those, who have never seen any adenium plants' pictures, will definit...