The Bloom of the Day for January 13th, 2017 was Spruce Cone Cholla (Tephrocactus articulatus f. inermis).
View the bloom of the day here: http://davesgarden.com/guides/pf/botd.php?date=2017-01-13
January 13th, 2017: Spruce Cone Cholla (Tephrocactus articulatus f. inermis) by NancySLAZ
I love this beautiful white bloom on a cactus that has very little spines or glochids. It blooms when it is getting hot here in the Phoenix area and it cool to look at. It can take full sun and little water.