Dryopteris munchii A.R.Sm.
Descripción
Rhizomes erect to suberect; rhizome scales concolorous, dark brown, to 10 X 2 mm, entire to toothed; fronds to ca. 90 cm long; stipes brownish, to 35 cm X 5 mm, 1⁄3–1⁄2 the frond length, bases scaly, the scales often bicolorous with blackened or darkstreaked bases, apices tan, margins dentate, stipes eglandular; blades herbaceous, dark green adaxially, lighter green abaxially, ovate-lanceolate, subtripinnate at bases, distally 2-pinnatepinnatifid, to 50 X 20–28 cm, with pinnae mostly alternate, spreading to slightly ascending, 15–18 pairs; rachises tan, bearing scattered to rarely numerous scales, eglandular; proximal pinnae subopposite, basiscopically more developed, slightly or not at all shortened, deltate-lanceolate, to 15 X 8.5 cm, stalked to 6 mm; distal pinnae sessile or stalked to 1 mm, ± equilateral, pinnules to ca. 10 pairs per pinna, spinulose at apices; indument abaxially of minute, tan, ovate to linear scales along costae and costules, otherwise glabrous, eglandular, adaxially the blades glabrous; sori medial, indusia reddish brown, ca. 0.8–1 mm diam., glabrous.A
Forma de vida
TerrestreA
Ejemplar revisado
Chis (Breedlove 22027, DS, MEXU, NY; González-Espinosa et al. 583, CHAPA; Mendoza-Ruiz 244, UAMIZ; Münch 167, DS). Hgo (Lyonnet 2007, US; Piña E. 47, ASU; Sánchez 375, US).
A
A
Distribución
México (país) EndémicoA
Elevación
2000 – 2850 mA
Tipo de vegetación
Bosque de neblina/mesófiloA
Categoría IUCN
No incluidaB
Categoría NOM-059-SEMARNAT-2010
No incluidaC
Discusión taxonómica
From D. rossii, D. muenchii differs by its narrower, eglandular, dark green blades and stipe base scales that are blackened or black-streaked at bases (rather than blackish at tips). From D. patula and D. cinnamomea, it differs in the smaller, bicolorous stipe scales, spreading, nearly equilateral, suprabasal pinnae, and eglandular blades. The nearest affinities are uncertain.A