Fl. 90 mm wide; perianth and other petaloid segments light greenish yellow; the outer whorl broadly ovate, with prominent white mucro, spreading, a little concave, smooth, overlapping; the inner whorl not much shorter, sometimes nicked at shoulder, with the outer segments inflexed and the inner segments more sharply inflexed; a single segment at center with margins tightly rolled inwards; corona segments in two whorls, one-third to a half as long as the petaloid segments, brilliant yellow; the outer whorl split to base, with the six segments between the whorls of petaloid segments; the inner whorl continuous, funnel-shaped, smooth, frilled at mouth, with some overlapping lobes.

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