(Mammillaria laui subducta)
Mammillaria laui subs.subducta is a low growing cactus species usually forming big clusters or cushions,densely covered with bristly spines.It differs from the standard species for its noticeably,somewhat stout,white,yellowish or rusty-red central spines.(the other subspecies lack distinct central spines)Stem: Depressed globose to globose or short oblong,to 6 cm tall and 4,5 cm in diameter.