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

1. Diploblechnum fraseri (A. Cunningham) De Vol in H. L. Li et al., Fl. Taiwan. 1: 153. 1975.

扫把蕨 sao ba jue

Lomaria fraseri A. Cunningham, Companion Bot. Mag. 2: 364. 1836; Blechnum fraseri (A. Cunningham) Luerssen; B. integripinnulum Hayata; Diploblechnum integripinnulum (Hayata) Hayata; L. fraseri var. philippinensis Christ; Struthiopteris fraseri (A. Cunningham) Hayata; S. integripinnulum (Hayata) Hayata.

Stem black, up to ca. 0.8 m tall, 1-2 cm in diam., covered with stubs of persistent frond bases, apex densely scaly; scales dark brown, narrowly triangular-lanceolate, ca. 1 cm, entire, subulate. Fronds tufted; stipe ca. 3 cm; lamina bipinnatifid, elliptic-lanceolate in outline, narrowed downward, up to 40 × 10-14 cm, papery, both surfaces glabrous; pinnae to 30 pairs, pinnatifid, oblong-lanceolate, 6.5-8.5 × 1.4-1.8 cm, bases decurrent with triangular lobes between, apex acuminate; lower pinnae much shorter, basal ones triangular auricles; lobes 13-15 pairs, oblong or triangular-oblong, up to 9 × 3 mm, margin entire, apex acute. Fertile lamina as large as sterile lamina, slightly narrowed, pinnae caudate. Sori linear, adjacent and parallel to costules; indusia brown.

Cloud forests, damp and somewhat exposed path sides; 1200-2000 m. SE Taiwan [Indonesia (Borneo), Malaysia, Philippines; Pacific islands (New Zealand)].


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