Flowering plant about 2 m. high. Leaves 1 m. long, nearly 1 dm. wide, acuminate, usually incurved at apex, marked with dark purple at base. Scape very stout. Scape-bracts exceeding the internodes, subspreading, dark purple at base and green at apex. Inflorescence amply paniculate, about 1 m. long. Branches suberect, 2-6 dm. long, 10-to 15-flowered. Floral bracts ovate to suborbicular, broadly obtuse, 37 mm. long, much exceeded by the sepals, carinate but not incurved, pale green with brownish purple markings. Flowers divergent to spreading, not secund, to 125 mm. long. Pedicels very thick, 6 mm. long. Sepals elliptic, obtuse, 41 mm. long, 21 mm. wide, purple-bordered, carinate especially toward base. Petals fasciate, at first white, then yellow and finally dull red.