| Field notes | Plants to 40 cm high, forming broad groups. Spines light yellow, to 3 cm long. Flower yellow, about 7 cm long. Style reddish brown. Stigmas 4-6. Filament pale yellow. Anther yellowish white. Fruit reddish brown, oblong, to 4 cm long, about 2.5 cm in diamenter. Seeds 1-6 in each fruit. |