Mazus miquelii

Mazus miquelii, commonly known as Miquel's mazus^[3] or creeping mazus,^[4] is a species of flowering plant in the family Mazaceae.^[1][2] It is an herbaceous perennial groundcover native to South Central China, Southeast China, Japan, Korea, and Taiwan.^[1][5] Mazus reptans is now considered a heterotypic synonym of M. miquelii,^[6][7] but is still often used in the ornamental plant trade.

Mazus miquelii spreads rapidly by producing significant amounts of slender stolons which root at the nodes.^[8] The leaves are undivided and teethed along the margins. The blue or purple flowers are bilateral and have 5 petals,^[9] The plants flower during the months of June to August. This species is hermaphroditic and is pollinated by insects.^[5]

Mazus miquelii has been introduced in North America, and as such is considered an invasive weed, especially in parts of the north-eastern United States.^[8] This species thrives in damp, bog-like conditions, and cannot tolerate dry periods.^[5]