Flower to 5 inches (13 cm) across. Petals obovate, mucronate, most dark rust-orange with faint purplish cast due to dark purple venation. Outer petals projecting beyond inners, contrasting yellow. Throat-circle yellowish. Filaments yellow. Stem to 3 inches (8 cm) in diameter; central spines to ⅝ inch (17 mm) long. ISI 97-34; HBG 80619, Schick 279-1.