Index to
Ferns and Lycophytes of Japan

Family: Thelypteridaceae ヒメシダ科 > Genus: Thelypteris Adans. ヒメシダ属
GreenList Taxon ID: 403

Accepted name

Thelypteris gracilescens (Blume) Ching

シマヤワラシダ

Basionym and homotypic synonym(s)

Aspidium gracilescens Blume, Enum. Pl. Javae 2: 155, 1828. BHL Tropicos
Lastrea gracilescens (Blume) T.Moore, Index Fil. [Moore] 93, 1858. BHL Tropicos
Nephrodium gracilescens (Blume) Hook., Sp. Fil. 4: 93, 1862. BHL Tropicos
Dryopteris gracilescens (Blume) Kuntze, Revis. Gen. Pl. 2: 812, 1891. BHL Tropicos
Thelypteris gracilescens (Blume) Ching, Bull. Fan Mem. Inst. Biol., Bot. 6(5): 327, 1936. Tropicos
Metathelypteris gracilescens (Blume) Ching, Acta Phytotax. Sin. 8(4): 305, 1963. Tropicos

Type information in the protologue:
(cacumine montis Burangrang, Patuhae etc. javae insulae)
Digitized type material:
Herbarium & Reg. No. Type status Collector & No. Locality Coll. date
K000951416SyntypeBlume, CL, #s.n.Java
L0052310SyntypeBlume, CL, #s.n.Java, Pontjak, Java. Zuyden pontjak. Patoka.
L0052311SyntypeBlume, CL, #s.n.Java, Jawa Barat, Boerangrang, Summo Boerangrang. Java.

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

Dryopteris sublaxa Hayata, Icon. Pl. Formosan. 4: 183. Fig. 121, 1914. BHL Tropicos

Type information in the protologue:
B. Hayata (Arisan, 1912.1)

Dryopteris arisanensis Rosenst., Hedwigia 56(5): 340, 1915. BHL Tropicos

Type information in the protologue:
U. Faurie 389 (Formosa: in monte Arisan, 2500 m alt., 1914.5)

Information on ploidy level and reproductive mode

Chromosome number Ploidy level Reproductive mode Locality Remarks Reference
2n=1324xsexKagoshima Pref., Yakushima Isl.Nakato et al. 2020 (Bull. Nat. Mus. Nat. Sci. B 46: 17-27)