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Mazus rugosus


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Genus Mazus

Herbs, relatively small. Stems terete or rarely quadrangular (Mazus lanceifolius), erect or procumbent and rooting from lower nodes. Leaves in a rosette or opposite, often upper leaves alternate; petiole winged . Racemes secund ; bracts small. Bracteoles present or absent. Flowers small. Calyx funnelform or campanulate , 5-lobed. Corolla 2-lipped, palate with 2 longitudinal plaits ; lower lip 3-lobed; upper lip 2-lobed. Stamens 4, didynamous , inserted on corolla tube ; anther locules divergent, apically connivent. Ovary hairy or glabrous . Style glabrous; stigma 2-lamellate. Capsule compressed , included in cupular persistent calyx, loculicidal. Seeds small, numerous .

About 35 species: China, India, Indonesia, Japan, Korea, Malaysia, Mongolia, Philippines, Russia, Vietnam; Australia, New Zealand; 25 species in China.[1]


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Similar Species

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Members of the genus Mazus

ZipcodeZoo has pages for 9 species, subspecies, varieties, forms, and cultivars in this genus:

M. japonicus 'Albiflorus' (White-Flowered Mazus) · M. miquelii (Creeping Mazus) · M. pumilio (Swamp Mazus) · M. pumilus (Japanese Mazus) · M. repans (Mazus) · M. reptans (Creeping Mazus) · M. reptans 'Alba' (Mazus) · M. reptans 'Albus' (Mazus) · M. reptans 'Purple' (Mazus)

More Info

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Further Reading

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Data Sources

Accessed through GBIF Data Portal November 25, 2007:



  1. "Mazus". in Flora of China Vol. 18 Page 42. Published by Science Press (Beijing) and Missouri Botanical Garden Press. Online at [back]
Last Revised: 2015-02-02