Astrophytum myriostigma quadricostatum
(Photo: Wen-Chung Fan)
fans@igc.org
http://go2.163.com/cactusfan

Here is a one of plant from my good friend in Japan, it came a seedling, and I grafted it onto Peireskiopsis. During winter, it was nice and pink in color, but changed back to white in the warmer months. It also passed away before I could regraft it. http://go2.163.com/cactusfan/whitequadsm.jpg