Danaea nodosa (L.) Sm.
Descripción
Rhizomes horizontal, short-creeping, green, 10–12 cm diam.; rhizome scales brown; fronds to 2 m tall, 27–40 cm wide; stipes ca. 1⁄2 the frond length, brown to olive-brown, with sparse, brown, appressed scales; blades pinnate, pinnae 7–11 pairs, sterile ones 14–34 X 3–4.5 cm, narrowly elliptic, slightly falcate, margins subentire or sometimes undulate, faintly serrulate near apices, bases unequally rounded or cuneate, caudate with abruptly longattenuate, undulate tips; laminae coriaceous, with minute brown blade scales, these denser along costae; veins simple or 1-forked, 11–15/cm; fertile pinnae similar in shape to sterile but narrower, to 26 X 2 cm; synangia 150–200 per pinna; 2n=160 (Trin).A
Forma de vida
TerrestreA
Ejemplar revisado
Chis (Breedlove 34139, DS, MEXU; Martínez S. et al. 25610, MEXU; Purpus 6760, MO, NY, UC, US). Oax (Hammel & Merello 15596, MO, US; Hernández 1617, CHAPA, NY, 1899, CHAPA, MEXU; Mickel 6408, NY, UC, US, 6846, NY, UC; Torres C. 11136, MEXU). Ver (Dorantes 2501, MEXU, MO, XAL).A
Elevación
100 – 600 mA
Ecología y Hábitat
Atlantic slope, undisturbed forests near rivers.A
Tipo de vegetación
Selva altaA
Categoría IUCN
No incluidaB
Categoría NOM-059-SEMARNAT-2010
No incluidaC
Discusión taxonómica
This is the largest of the Danaea species in Mexico, and, ironically, most easily distinguished by the lack of nodes on the stipe.A