Flowers c. 38-50 cm diam. Perigone lobes c. 11.5-13 cm long and 15-17 cm wide, with about 5 large pustules across, these ranging from 5 by 3 to 10 by 1 cm. Perigone tube c. 18-20 cm wide, neck of column 3 cm. Processes 15-24, coloured like the disk, light yellowish, but dark brown at the apex and not flattened as in some other species. Diaphragm opening about half as wide as apex of flower tube, pale whitish or yellowish with a dark brown zone near the rim and a basal ring of rounded or oblong dark brown warts. Upper zone of the flower tube near attachment of the diaphragm with 4 rings of toadstool-like compound ramenta, grading into white blots at the lower face of the diaphragm. Numerous bristles on lower face of the corona (= crest of the disk) and all along the column. Ramenta linear, with swollen apices. Male flowers with 20 anthers.