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| Format: | Recurso digital |
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Zenodo
2025
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| Online adgang: | https://doi.org/10.5281/zenodo.15527120 |
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Indholdsfortegnelse:
- <p><b>3.1. <i>Telmatoblechnum serrulatum</i> (Rich.) Perrie, D.J.Ohlsen & Brownsey, Taxon 63(4): 755 (2014).</b></p><p>Fig. 3g</p><p>Plants terrestrial. Stem long-creeping, scales lanceolate, 2.6–3.1 mm long, pale brown to blackish. Fronds (41.1–) 62.9–82.9 cm long, subdimorphic, 1-pinnate; petiole (12.6–) 22.5–41.5 cm long, paleaceous to pale brown, adaxially sulcate; rachis adaxially sulcate, glabrous; laminae 28.5–52.6 × 6.2–18.7(–23.2) cm, oblong-linear, truncate base; pinnae 1.7–12.7 × 0.7–1.3 cm, 16–32 pairs, oblong-linear, chartaceous to coriaceous abaxially, with scales on the costae, articulate to rachis, ascending, ascending, margin conspicuously serrate, apex acute to acuminate; veins free. Sori linear, parallel to the costae; indusia linear, introrse.</p><p><b>Examined material</b>: MARANHÃO: Alto ParnaÍba, PNNRP, Povoado Curupá, 09°53’05’’S, 45°53’20’’W, 380 m, 19.IV.2022, <i>P. H. C. Aguiar et al. 05</i> (CCAA, UB); <i>P. H. C. Aguiar et al. 09</i> (CCAA); Brejo ruim, 09°51’18’’S, 46°16’33’’W, 406 m, 19.VII.2023, <i>P. H</i><i>.</i> <i>Castro-Aguiar et al. 312</i> (CCAA, UB). PIAUÍ: Barreiras do PiauÍ, PNNRP, Passagem do Padre Velho, 10°08’34’’S, 45°49’12’’W, 407 m, 16.XII.2022, <i>P. H</i><i>.</i> <i>Castro-Aguiar et al. 239</i> (CCAA, UB).</p><p><i>Telmatoblechnum serrulatum</i> is widely distributed in the Neotropical region, occurring from Mexico to Argentina (Gasper <i>et al.</i> 2016). In Brazil, it has been recorded in almost all the states, except Acre and Ceará (Gasper & Dittrich 2023). In the study area it was found growing preferentially along the edge of the <i>vereda</i>, in areas where it would be exposed to light, or in the interior of the <i>vereda</i>, in shaded areas.</p><p>It is characterized by having 1-pinnate frond, pinnae articulated at the spine, with scales on the costae abaxially, and a conspicuously serrate margin.</p>