astrophytum cactus growing among stones. beautiful little sprout of a mexican cactus with yellow needles. natural plant from the

among astrophytum ball beautiful boreocactinae breeding cacti cactus cereeae elegant flowering from genus geometric gray green greenery grow growing growth halo juicy little mexican minimal natural needle needles plant radial rib round south southwest spherical spine sprout star stone stones succulent trunk usa vital vitality wild yellow