Dielsia is a genus of flowering plant, described in 1904, in the family Restionaceae.Gilg, Ernest Friedrich. 1904. Botanische Jahrbücher für Systematik, Pflanzengeschichte und Pflanzengeographie 35: 88-89 in LatinTropicos, Dielsia Gilg There is only one known species, Dielsia stenostachya, endemic to Southwest Australia.Kew World Checklist of Selected Plant Families
Species in homonymic genus In 1929, Kudô used the name Dielsia in reference to a plant in the Lamiaceae, thus creating an illegitimate homonym.Kudô, Yushun. 1929. Memoirs of the Faculty of Science and Agriculture Taihoku Imperial University 2(2): 143 He also created one species in his genus, i.e. Dielsia oreophila (Diels) Kudô, syn of Isodon oreophilus (Diels) A.J.Paton & Ryding
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