Megalastrum nanum R.C.Moran, J.Prado & Sundue, Amer. Fern J.
publication ID |
https://doi.org/ 10.11646/phytotaxa.353.1.1 |
DOI |
https://doi.org/10.5281/zenodo.13706839 |
persistent identifier |
https://treatment.plazi.org/id/03B087D5-FFAE-FFCB-E1F7-A0EDFB27F789 |
treatment provided by |
Felipe |
scientific name |
Megalastrum nanum R.C.Moran, J.Prado & Sundue, Amer. Fern J. |
status |
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Megalastrum nanum R.C.Moran, J.Prado & Sundue, Amer. Fern J. View in CoL 104(3): 173, figs. 2E, 8A, 32B.
Range: — Ecuador, Peru, and Bolivia (SC, TA).
Ecology: —Known from only five collections from the three Andean countries; terrestrial in evergreen forests; 1700–2100 m.
Notes: —This is one of the smaller, decompound species in the genus, with leaves to 1 m long, and less than 75 cm long in the four specimens seen; blades are <50 cm long. The costal scales are darkened at the tips and prominantly toothed along the margins, along with numerous long septate hairs to 2 mm on the costae, costules, and veins abaxially; this is much the same as the indument in M. fugaceum . One wonders whether M. nanum might not be a precociously fertile version of M. fugaceum? All four collections seen of M. nanum were first determined as M. pulverulentum , another very close relative (see under M. ciliatum and M. fugaceum for further comments).
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