Matudanthus is a genus of monocotyledonous flowering plants in the dayflower family and was first described in 1978. The genus is monotypic and contains the single species Matudanthus nanus, which is endemic to the State of Oaxaca in southern Mexico.Kew World Checklist of Selected Plant FamiliesGarcía-Mendoza, A. J. & J. Meave del Castillo. 2011. Diversidad Florística de Oaxaca: de Musgos a Angispermas 1–351. Universidad Nacional Autónoma de México, Ciudad Universitaria
Etymology The genus name of Matudanthus is in honour of Eizi Matuda (1894–1978), who was a Mexican botanist of Japanese origin.
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