Family: Osmundaceae ゼンマイ科 > Genus: Osmunda L. ゼンマイ属
GreenList Taxon ID: 99
Accepted name
Osmunda x intermedia (Honda) Sugim.
オオバヤシャゼンマイ
和名別名: オクタマゼンマイ
An interspecific hybrid between Osmunda japonica Thunb. and Osmunda lancea Thunb..
ゼンマイとヤシャゼンマイの種間雑種.
GBIF YList TNS specimens
Basionym and homotypic synonym(s)
Osmunda japonica Thunb. var. intermedia Honda, Bot. Mag. (Tokyo) 44(524): 409, 1930. Link
≡ Osmunda x intermedia (Honda) Sugim., Shokubutsu Kensakushi 1: 9, 1951. Tropicos
≡ Osmunda lancea Thunb. f. intermedia (Honda) Tagawa, Acta Phytotax. Geobot. 15(3): 96, 1953. Link
Type information in the protologue:
M. Honda (Hondo: Hikawa, prov. Musashi, 1930)Heterotypic synonym(s) and/or incorporated taxa (forma or lower)
Osmunda lancea Thunb. var. latipinnula Tagawa, J. Jap. Bot. 22(10): 160, 1948. Link
Type information in the protologue:
M. Tagawa 2338 (Japan. Pref. Wakayama austr.: Mt. Nati) [KYO (holo)]Digitized type material:
| Herbarium & Reg. No. | Type status | Collector & No. | Locality | Coll. date |
|---|---|---|---|---|
| L0051939 | Isotype | Tagawa M., #2338 | Pref. Wakayama, prov. Kii, in monte Nati | 1942-7-21 |
| P00709792 | Isotype | Tagawa M., #2338 | Pref. Wakayama, prov. Kii, in monte Nati | 1942-7-21 |
Information on ploidy level and reproductive mode
| Chromosome number | Ploidy level | Reproductive mode | Locality | Remarks | Reference |
|---|---|---|---|---|---|
| n=22 | 2x | Mt.Takaosan, Tokyo Pref. | Kurita 1963a (J. Coll. Arts Sci. Chiba Univ. 4: 43-52) | ||
| n=22, (2n=44) | 2x | irr | Fuji City, Shizuoka Pref. | Shimura & Matsumoto 1977 (J. Jap. Bot. 52: 377-378) | |
| 2n=44 | 2x | Yoshiwara, Shizuoka Pref.; Itsukaichi, Hiroshima Pref. | Tatuno & Yoshida 1966 (Bot. Mag. (Tokyo) 79: 244-252) |