Index to
Ferns and Lycophytes of Japan

Family: Osmundaceae ゼンマイ科 > Genus: Osmunda L. ゼンマイ属
GreenList Taxon ID: 96

Accepted name

Osmunda claytoniana L.

オニゼンマイ

Basionym and homotypic synonym(s)

Osmunda claytoniana L., Sp. Pl. 2: 1066, 1753. BHL Tropicos
Struthiopteris claytoniana (L.) Bernh., J. Bot. (Schrader) 1800(2): 126, 1801. Link Tropicos
Plenasium claytonianum (L.) C.Presl, Abh. Kvnigl. Bvhm. Ges. Wiss. 5: 325, 1848. BHL Tropicos
Osmundastrum claytonianum (L.) Tagawa, J. Jap. Bot. 17(12): 697, 1941. Link Tropicos
Claytosmunda claytoniana (L.) Metzgar et Rouhan, J. Syst. Evol. 54(6): 594, 2016. Link Tropicos

Type information in the protologue:
(Virginia)
Designated type:
Lectotype - Clayton? s.n. () [LINN 1244.10] designated by J. L. Reveal et al. in Huntia 7: 229, 1987. Link
Digitized type material:
Herbarium & Reg. No. Type status Collector & No. Locality Coll. date
BM000062954IsolectotypeJohn Clayton, #s.n.Virginia
LINN-HL1244-10LectotypeAnon., #s.n.Unknown

Heterotypic synonym(s) and/or incorporated taxa (forma or lower)

Osmunda pilosa Wall. ex Grev. et Hook., Bot. Misc. 3: 229, 1833. BHL Tropicos
Osmunda claytoniana L. var. pilosa (Wall. ex Grev. et Hook.) Ching, Fl. Reipubl. Popularis Sin. 2: 82, 1959. Tropicos
Osmundastrum claytonianum (L.) Tagawa subsp. pilosum (Wall. ex Grev. et Hook.) Tzvelev, Sosud. Rast. Sovet. Dal'nego 5: 24, 1991. Tropicos
Osmunda claytoniana L. subsp. pilosa (Wall. ex Grev. et Hook.) Fraser-Jenk., Pakistan Syst. 5(1-2): 107, 1992. Tropicos
Osmundastrum claytonianum (L.) Tagawa var. pilosum (Wall. ex Grev. et Hook.) W.M.Chu et S.G.Lu, Acta Bot. Yunnan. 5: 36, 1992, nom. illeg. Tropicos

Type information in the protologue:
Wallich [Cat No. 52] (Rio Janeiro)

Osmunda claytoniana L. var. vestita Wall. ex Milde, Monogr. Osmund. 102, 1868. BHL Tropicos
Osmunda claytoniana L. subsp. vestita (Wall. ex Milde) Á.Löve et D.Löve, Taxon 26(2-3): 324, 1977. Link Tropicos

Type information in the protologue:
Wallich [List No. 52] (Kumaon)
Digitized type material:
Herbarium & Reg. No. Type status Collector & No. Locality Coll. date
K001057774Syntypes.coll., #52Uttaranchal Kumaon

Information on ploidy level and reproductive mode

Chromosome number Ploidy level Reproductive mode Locality Remarks Reference
n=222xKaruizawa, Nagano Pref.Hirabayashi 1963 (J. Jap. Bot. 38: 332-333)
2n=22partially diploid portion; x(artificially produced); Kawakami et al. 2007 (J. Plant Res. 120: 641-645)
2n=442xSenjogahara, Tochigi Pref.Tatuno & Yoshida 1967 (Bot. Mag. (Tokyo) 80: 130-138)