Botany Photo of the Day will have brief written entries on weekends, holidays and my vacations from April through September. – Daniel
Lace hedgehog cactus is a plant of the southern USA and northeastern Mexico. It forms part of a species group, listed by the Flora of North America as including <“E. reichenbachii, E. chisosensis, E. rigidissimus, E. pseudopectinatus, and an indefinite number of Mexican species”. The Lady Bird Johnson Wildflower Center has a small factsheet with a series of images.