Flower to 5½ inches (14 cm) across. Petals obovate, white with prominent purplish-pink basal stripe and midrib. Throat-circle and filaments white. Stigma light green. Stem semicolumnar, to about 5¼ inches (13 cm) in diameter, central spines to 1 inch (25 mm) long. ISI 96-3; HBG 79341, Schick 724-15.
