Dishflower is short and hairless. The leaves at the base are oblong, the upper leaves are divided into three parts, the middle lobes are oblong, and the lateral lobes are triangular in shape. But the morning glory flower is completely different, its stem has the pubescence and the long bristle, from this point can distinguish obviously. The shape of the leaves is completely different. The leaves are oval or nearly round, and the surface of the leaves is also pilose.
Dishflower is axillary, pedicel is usually longer than petiole. Bracts are broadly ovate, sepals oblong. Its corolla is light red or light purple, and its shape is bell shaped. Different from morning glory, its pedicels are different in length, but most of them are shorter than petioles. Bracts are also longer, linear. Sepals lanceolate. Its corolla is funnel-shaped, the color is purplish red or blue purple, the color of corolla tube is relatively light.
The shape of the bowl flower capsule is ovoid, similar in length to sepals, or sometimes slightly shorter. Its seed color is and brown, with small warts on the surface. The capsule of morning glory is nearly spherical, with black brown seeds and beige seeds.
