Osmunda mildei
Encyclopedia
Osmunda mildei is a rare fern, known only from a few locations in the area of Hong Kong
Hong Kong
Hong Kong is one of two Special Administrative Regions of the People's Republic of China , the other being Macau. A city-state situated on China's south coast and enclosed by the Pearl River Delta and South China Sea, it is renowned for its expansive skyline and deep natural harbour...

. It is also a rarity in that it appears to be a species of hybrid origin within the Osmundaceae. Its putative parents are Osmunda angustifolia (section Plenasium) and O. japonica (section Osmunda).

William Jackson Hooker
William Jackson Hooker
Sir William Jackson Hooker, FRS was an English systematic botanist and organiser. He held the post of Regius Professor of Botany at Glasgow University, and was the first Director of the Royal Botanic Gardens, Kew. He enjoyed the friendship and support of Sir Joseph Banks for his exploring,...

 published a sketch of this species in his Filices Exoticae (completed in 1859), plate 9. He designated it as Osmunda bipinnata, but his name was invalid because it had already been used by Linnaeus for another species, later reclassified as Anemia bipinnata.
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