Marattia weinmanniifolia Liebm.
Descripción
Rhizomes massive, covered with old stipules, ca. 15 cm diam.; fronds 2–4 m long, tripinnate, ovate or deltate-ovate; axes sparsely to abundantly clothed with light brown scales; segments mostly 7–20 X 6–8 mm, elliptic, bases rounded, apices obtuse to rarely acuminate; ultimate rachises winged between segments; margins serrate; veins mostly simple; laminae glabrous adaxially, glabrous abaxially or with sparse brown hairs or narrow scales; 2n=160 (Chis).A
Forma de vida
TerrestreA
Ejemplar revisado
Chis (Breedlove 32343, DS, MEXU). Gro (Rzedowski & McVaugh 141, ENCB, MEXU, MICH). Hgo (Sánchez-Mejorada 227, MEXU, US). Jal (Cochrane & Judziewicz 10669, CAS, IBUG, UC, WIS; McVaugh 21417, MEXU, MICH, NY). Oax (Hallberg 1797 NY, US; Mickel 5573, MEXU, NY, UC). Pue (Pringle 10299, C, CAS, CHAPA, GH, K, MEXU, MICH, MO, NY, UC, US). Qro (Rzedowski 46391, ENCB, IEB, MEXU, NY). Ver (Ramírez 693, XAL).A
Elevación
800 – 2700 mA
Ecología y Hábitat
On Atlantic slope.A
Tipo de vegetación
Bosque de encino, Bosque de neblina/mesófilo, Bosque de pinoA
Tipo de vegetación (notas)
Liquidambar, Drimys.A
Categoría IUCN
No incluidaB
Categoría NOM-059-SEMARNAT-2010
Sujeta a protección especial (Pr)C
Discusión taxonómica
Marattia weinmanniifolia is similar to M. alata Sw. of the West Indies, but that species has abundant, broader scales on the midveins and veins of the ultimate segments, teeth more curved, and the ultimate segments 2 or more times as long as wide. Marattia excavata has larger segments 20–30 X 10–13 mm.A