Flowers whitish to pale bluish, or flushed with pale pink, lower tepals cream-coloured at base with small basal median streak of purple and larger median purple mark, intensely sweetly scented night and day; perianth tube 25-40 mm long, narrow and cylindric below, broadened and curving outward in upper 4-5 mm; tepals subequal, dorsal ± erect, 9-12 x 6-7 mm, upper laterals spreading to reflexed, lower 3 directed downward, with short claw ± 1.5 mm x 2 mm, limbs abruptly expanded, broadly oval, 7.5-8.0 x 6 mm. Stamens unilateral, ± erect; filaments 5-6 mm long, exserted ± 3.5 mm; anthers ± 3 mm long, cream-coloured or light purple; pollen yellowish to white. Style usually dividing shortly above anther bases; style branches becoming tangled in anthers. Seeds 1.5-1.9 mm diam.