Index to
Ferns and Lycophytes of Japan

Family: Dryopteridaceae オシダ科 > Genus: Dryopteris Adans. オシダ属
GreenList Taxon ID: 856

Accepted name

Dryopteris sparsa (Buch.-Ham. ex D.Don) Kuntze var. ryukyuensis Seriz.

リュウキュウイタチシダ

Basionym and homotypic synonym(s)

Dryopteris sparsa (Buch.-Ham. ex D.Don) Kuntze var. ryukyuensis Seriz., J. Jap. Bot. 46(9): 279, 1971. Link Tropicos

Type information in the protologue:
S. Serizawa 11698 (Ryukyu: Kofukujidani, Sumiyo-mura) [TNS (holo)]
Digitized type material:
Herbarium & Reg. No. Type status Collector & No. Locality Coll. date
TNS VS 318141HolotypeShunsuke Serizawa 11698Japan, Ryukyu, Sumiyo-mura, Isl. Amami-oshima, Kofukujidani.1970-4-9

Information on ploidy level and reproductive mode

Chromosome number Ploidy level Reproductive mode Locality Remarks Reference
2n=1644x(sex)Miyazaki Pref., Miyazaki-shi, Tano, Miyazaki University Experimental ForestNakato & Ebihara 2018 (Bull. Nat. Mus. Nat. Sci. B 44: 23-30)