Index to
Ferns and Lycophytes of Japan

Family: Dennstaedtiaceae コバノイシカグマ科 > Genus: Pteridium Gled. ex Scop. ワラビ属
GreenList Taxon ID: 231

Accepted name

Pteridium aquilinum (L.) Kuhn subsp. japonicum (Nakai) A. et S.Löve

ワラビ

Basionym and homotypic synonym(s)

Pteridium aquilinum (L.) Kuhn var. japonicum Nakai, Bot. Mag. (Tokyo) 39(461): 106, 1925. Link Tropicos
Pteridium aquilinum (L.) Kuhn subsp. japonicum (Nakai) Á.Löve et D.Löve, Taxon 26(2-3): 325, 1977. Link Tropicos

Type information in the protologue:
[specimen not specified] ([no info])
Designated type:
Lectotype - Torama Yoshinaga s.n. (Japan: Shimizu-toge, Echigo Province (now Niigata Prefecture), Honshu Island, 1886.7.19) [TI] designated by J. A. Thomson in Telopea 10: 799, 2004. Link

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

Pteridium aquilinum (L.) Kuhn f. basobreve Makino, Makinoa 4: 69, 1947, nom. nud.


"チョウキャクワラビ"
Pteridium aquilinum (L.) Kuhn f. longipes Senkozi et Akasawa, Bull. Kochi Women's Univ., Ser. Nat. Sci. 27: 1, 1979.

Type information in the protologue:
Y. Senkozi 2 (Prov. Tosa: Usa-hachimangu, Waziki, Geisei-mura, 1978.8.4) [Herb. Kochi Wom. Univ. (holo)]

Pteridium pinetorum C.N.Page et R.R.Mill, Bot. J. Scotland 47: 140, 1994[1995]. Link Tropicos

Type information in the protologue:
C. N. Page 27053 (Scotland: Perthshire, banks of River Tummel 3 km N of Pitlochry, 140 m, 1989.8.17) [E (holo)]

Pteris latiuscula auct. non Desv., Mem. Soc. Linn. Paris 6: 303, 1827. Tropicos
Pteridium aquilinum (L.) Kuhn var. latiusculum auct. non (Desv.) Underw. ex A.Heller, Cat. N. Amer. Pl. (ed. 3) 17, 1909. Tropicos
Pteridium latiusculum auct. non (Desv.) Hieron. ex Fries, Wiss. Ergebn. Schwed. Rhod.-Kongo-Exped. 1: 7, 1914. Tropicos
Pteridium aquilinum (L.) Kuhn subsp. latiusculum auct. non (Desv.) Hultén, Acta Univ. Lund. 2 37(1): 43, 1941. Tropicos


Information on ploidy level and reproductive mode

Chromosome number Ploidy level Reproductive mode Locality Remarks Reference
n=52, 2n=ca.1002xsexNo locality givenTakahashi 1961 (La Kromosomo 48: 1602-1605)
n=522xsexAsahikawa, Hokkaido Pref.; Chiba Pref.Kurita 1963a (J. Coll. Arts Sci. Chiba Univ. 4: 43-52)
n=522xsexSado Isl., Niigata Pref.Mitui 1968 (Sci. Rep. Tokyo Kyoiku Daigaku, Sec. B 13: 285-333)
n=522xsexChichijima Isl., Tokyo Pref.Mitui 1973 (J. Jap. Bot. 48: 247-254)
n=522xsexIriomotejima Isl., Okinawa Pref.Mitui 1976a (J. Jap. Bot. 51: 33-41)