The petal tube is lilac-coloured, white with yellow-brown spots inside. The outer surface of the tube and both surfaces of the lobes are glabrous but the inside of the tube is filled with long, soft hairs. The 4 stamens are fully enclosed in the petal tube.
The petal tube is lilac-coloured, white with yellow-brown spots inside. The outer surface of the tube and both surfaces of the lobes are hairless but the interior of the tube is filled with long, soft hairs. The 4 stamens are completely enveloped in the petal tube.