Adiantum scalare R.M.Tryon, Amer. Fern J.
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publication ID |
https://doi.org/ 10.11646/phytotaxa.332.3.1 |
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DOI |
https://doi.org/10.5281/zenodo.13723954 |
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persistent identifier |
https://treatment.plazi.org/id/038F87DD-FFC9-790A-FF49-FA36FBC9F882 |
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treatment provided by |
Felipe |
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scientific name |
Adiantum scalare R.M.Tryon, Amer. Fern J. |
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Adiantum scalare R.M.Tryon, Amer. Fern J. View in CoL 47(4): 141, t. 15. 1957.
Range: — Ecuador to Bolivia (LP); Brazil.
Ecology: —Rare (4 collections known), terrestrial in montane and lowland evergreen forests, on wet soils; 250– 650 m.
Notes: —Very distinctive, closely related to A. villosissimum . Rhizomes short-creeping, nodose; rachis scales lanceolate with copiously ciliate margins; blades pinnate, pinnae narrowly long-triangular, entire, 6–8 times longer than wide, 7–10 pairs per frond, stalked ca. 1–3 mm, apices long-attenuate, pubescent on both surfaces, hairs 1–2 mm long; veins irregularly anastomosing, mostly free; sori 2 per pinna, one on each side of a pinna, continuous, linear, usually not reaching the pinna apex and base; indusia densely pilose, hairs reddish brown.
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