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What is the difference between Lagopsis supina and Leonurus japonicus? A quick guide to telling them apart

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Leaf differences: The leaves of Lagopsis supina are circular in outline, 1.5 to 2 cm long, with a rounded tip and a heart-shaped base; the leaves of Leonurus japonicus are ovate in outline with a broad wedge-shaped base. Flower differences: Lagopsis supina has whorled verticillaster inflorescences about 1 cm in diameter, with white corollas; the inflorescences of Leonurus japonicus are axillary verticillasters, round and spherical.

I. Leaf differences

The leaves of Lagopsis supina are circular in outline, 1.5 to 2 cm long, with a rounded tip and a heart-shaped base, and have three deep lobes; the lobes have rounded teeth. Sometimes the leaf blades are ovate, with 3 shallow or deep lobes, and the lobes are toothless or have sparse rounded teeth. Both sides of the leaf blade are green, with soft hairs growing on the upper side.

The lower leaves on the stems of Leonurus japonicus are ovate in outline, with a broad wedge-shaped base, palmately 3-lobed; the lobes are oblong-rhombic or ovate, usually 2.5 to 6 cm long and 1.5 to 4 cm wide, green above and pale green below.

II. Flower differences

Lagopsis supina has whorled verticillaster inflorescences about 1 cm in diameter; the corolla is white, faintly pinkish.

The inflorescences of Leonurus japonicus are axillary verticillasters, generally with 8 to 15 flowers, round and spherical, 2 to 2.5 cm in diameter, and the flowers form long spike-like inflorescences.

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