Dennstaedtia bipinnata (Cav.) Maxon
Descripción
Rhizomes long-creeping, branched, 5–10 mm diam., hairy; fronds 2–3 m long, clumped; stipes 1⁄2 the blade length, lacking buds at the base; blades deltate, 1–1.5 m wide; fronds 3–4-pinnate; texture coriaceous to firm herbaceous; proximal pinnules stalked, not especially reduced, basal segments of pinnules of central pinnae alternate, unequal in size, axes of penultimate segments with wings on adaxial surfaces; sterile vein tips slender; laminae glabrous adaxially, hairs scattered abaxially, mostly at axis intersections, 1 mm long, clear brown, spreading and straight; indusia cylindrical to subcylindrical, 0.8 mm deep, 0.8–1 mm wide; 2n=188 (Jam).A
Forma de vida
TerrestreA
Ejemplar revisado
Chis (Breedlove 23292, DS; Ghiesbreght 356, NY). Hgo (Kenoyer 710, US). Oax (Campos V. 1037, NY; Mickel 6373, NY). Pue (Arreguín 549, XAL). Qro (Rzedowski 45205, ENCB). SLP (Pringle 3407, NY). Ver (Ventura A. 5047, 9355, NY). Yuc (Butterwick 243, LL, TEX).
Unverified, Doubtful, or Mistaken Reports. Gro (Velázquez 282, FCME, cited by Lorea-Hernández & Velázquez M., 1998, but not verified).A
Unverified, Doubtful, or Mistaken Reports. Gro (Velázquez 282, FCME, cited by Lorea-Hernández & Velázquez M., 1998, but not verified).A
Elevación
450 – 1300 mA
Tipo de vegetación
Selva alta, Bosque de neblina/mesófiloA
Categoría IUCN
No incluidaB
Categoría NOM-059-SEMARNAT-2010
No incluidaC
Discusión taxonómica
The lustrous, coriaceous blades and cylindrical indusia distinguish this species.A