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FOC | Family List | FOC Vol. 2-3 | Blechnaceae

3. Struthiopteris Scopoli, Meth. Pl. 25. 1754.

荚囊蕨属 jia nang jue shu

Authors: Wang Faguo, Prof. Fuwu Xing & Masahiro Kato

Plants epilithic. Rhizome erect or ascending, short, dictyostelic, scaly; scales brown, linear or lanceolate, entire. Fronds tufted, ± dimorphic, often shortly stipitate; lamina pectinately pinnatisect, oblanceolate in outline, narrowed downward, leathery; pinnae spreading, oblong-subtriangular, base decurrent to rachis wing, margin entire; lower pinnae much shorter; veins inconspicuous, free, furcate, basal ones always trifurcate, not reaching lamina margin. Sori linear, forming coenosori adjacent and parallel to costa; indusium facing toward costa, thinly papery, covering young sporangia, opening when mature; spores elliptic, perispore corrugated. 2n = 62, 68.

About ten species: mainly distributed in temperate areas of the N Hemisphere and Australia; two species (one endemic) in China.

Struthiopteris is included within Blechnum by Christenhusz et al. (Phytotaxa 19: 39. 2011).

1 Sterile lamina 2-5 cm wide; stipe 3-24 cm.   1 S. eburnea
+ Sterile lamina 5-8 cm wide; stipe almost absent.   2 S. hancockii

Lower Taxa


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