Dryopolystichum Copel., Gen. Fil. 125, t. 4. 1947.
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publication ID |
https://dx.doi.org/10.3897/phytokeys.78.12040 |
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persistent identifier |
https://treatment.plazi.org/id/0ABB994A-F414-327B-C72C-D930898934DD |
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treatment provided by |
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scientific name |
Dryopolystichum Copel., Gen. Fil. 125, t. 4. 1947. |
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Dryopolystichum Copel., Gen. Fil. 125, t. 4. 1947.
Type.
Dryopolystichum phaeostigma (Ces.) Copel., Gen. Fil. 125, t. 4. 1947.
Description.
Habit terrestrial, on slopes along streams at lowland forests; rhizome short erect, stout and woody, apex densely scaly, blackish sclerenchyma strands visible in sections; scales dark brown, linear-lanceolate, entire, not clathrate; fronds approximate, stipe not articulate, scaly at base, scales similar to those on rhizome; lamina ovate, pinnate-pinnatifid, catadromous, subleathery, nearly glabrous, only very sparse narrow scales on rachis, costa, and costule; rachis and costa grooved adaxially, not connected to each other; veins free, pinnate, veins of basal pinnules on upper pinnae emerge from the rachis rather than costa, all veins terminating in a prominent hydathode, not reaching frond margin; sori round, dorsally on veinlets near hydathode, indusiate; indusia round, persistent, superior, entire, brownish, thick; sporangia long-stalked, annulus with ca. 14 indurated cells, 32 normal spores in each sporangium; spores monolete, 64.1 ± 4.5 μm in lateral view, surface with broadly winged wall; 2n = ca. 164.
Monotypic.
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