About Mazus miquelii Makino
Mazus miquelii spreads quickly by producing numerous slender stolons that root at their nodes. Its leaves are undivided, with teeth along their margins. The flowers of this species are blue or purple, bilaterally symmetrical, and have five petals. Plants flower from June through August. Mazus miquelii is hermaphroditic, and its flowers are pollinated by insects. This species has been introduced to North America, where it is classified as an invasive weed, particularly in regions of the northeastern United States. It grows best in damp, bog-like habitats and cannot survive dry periods.