1、 Leaf difference

The leaves in the middle of the orchid are long oval, oblanceolate or long oval oblanceolate, about 5 to 10 cm long, 1.5 to 2.5 cm wide, and the top of the leaves gradually becomes sharp. Both sides of the leaf are smooth and glabrous, and the edge of the leaf has irregular fine teeth or coarse teeth

The leaf bases of Ophiopogon japonicus form clumps in the shape of grass leaves, about 10 to 50 cm long and 1.5 to 3.5 mm wide, with three to seven veins, and the edges of the leaves have fine serrations

2、 Flower difference

Orchid heads, mostly growing on the top of stems and branches, arranged into compound corymbs, with inflorescences of about 3 to 6 cm and white or reddish flowers

Ophiopogon japonicus has racemes, about 2 to 5 cm long, ranging from a few to more than a dozen flowers, and the flowers are white or lavender