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Interior design, 6 radiating lanceolate or petaloid areas, double-line bordered, containing from 33 to 50 spots.

The flowers have five persistent petaloid sepals, within the circle of which are placed the minute honey-containing tubular petals of the form of a horn with an irregular opening.

Perianth of 3 ovate or heart-shaped petaloid scales, mostly on claws, and usually with as many alternating small bristles.

Partaking of two natures, as the perianth of some endogenous plants, where the outer surface is calycine, and the inner petaloid.

Sepals.—Five; petaloid; the upper prolonged upward into a spur containing the smaller spurs of the two upper petals.