1、 Leaf difference
The leaves of drunken fish grass are opposite. The leaves are membranous. The leaves are oval or oval, about 3 to 11 cm long and about 1 to 5 cm wide. The top of the leaves is gradually sharp, and the base is wide wedge-shaped or round. The edge of the leaves has full edge or wavy tooth marks, dark green above and grayish yellow green below p>
The leaves of large leaf drunken fish grass are opposite. The leaves are membranous or thin paper. The leaves are narrow ovate, ovate lanceolate or narrow oval, about 1 to 20 cm long and 0.3 to 7.5 cm wide. The top of the leaves gradually becomes sharp p>
2、 Flower difference
The flowers of drunken fish grass are spike shaped cymes, about 4 to 40 cm long, about 2 to 4 cm wide, and the flowers are purple p>
Large leaf drunken fish grass has racemose or paniculate cymes, terminal, 4 to 30 cm long, and the Corolla is lavender, and finally turns yellow white to white p>