Osmunda japonica
Osmunda japonica Thunb.
Osmunda japonica, a fern in the Osmundaceae family, is native to East Asia, including Japan, China, Korea, Taiwan, and Sakhalin. It is known by several local names, including zenmai in Japanese, gobi in Korean, and zǐqí or juécài in Chinese. The species was described in 1784 by Carl Peter Thunberg.
Description
Osmunda japonica is distributed across several regions in Asia, including Japan, China (North-Central, South-Central, and Southeast), Korea, the Kuril Islands, Myanmar, Nepal, Pakistan, the Nansei-shoto islands, Sakhalin, Taiwan, Thailand, Tibet, and Vietnam. The lectotype for this species is a fertile collection housed at UPS-THUNB, designated in 2013 by KATSUYAMA et al., following earlier annotation by Nakaike in 1978. Original material is preserved in the Japan herbarium at G-PREL. This fern is part of the Osmundaceae family and is commonly referred to as Asian royal fern or fiddlehead in English.
Distribution
TW · Assam · China North-Central · China South-Central · China Southeast · East Himalaya · Japan · Korea · Kuril Is. · Myanmar · Nansei-shoto · Nepal · Pakistan · Sakhalin · Taiwan · Thailand · Tibet · Vietnam · West Himalaya
Synonyms
Osmunda regalis var. biformisOsmunda biformisOsmunda regalis var. japonicaOsmundastrum japonicumOsmunda biformis var. divisaOsmunda regalis f. divisaOsmunda japonica var. divisaOsmunda japonica f. divisaOsmunda regalis subsp. japonicaOsmunda speciosaOsmunda japonica var. sublanceaOsmunda regalis var. sublanceaOsmunda speciosa