Leonurus sibiricus is a perennial found in fields,
wastelands, or roadsides, erecting 0.5-1m in height. The whole is
hairy. Leaves: Radical leaves, in the shape of an oval heart, with
long petioles, are gone when in flower; still, the other leaves on
stems, measuring 5-10 cm in length, are cleft in three leaflets, the
lobes cleft further in shape similar to a feather. The leaves on the
upper part are small and lanceolate or aciculate. Flowers, light
red-purple, bloom at axils. Bloom time: July-September.