Austroblechnum lherminieri (Bory ex Kunze) Gasper & V.A.O.Dittrich
Descripción
Rhizome 4-7 mm in diameter, ascending, developing a thin trunk to 25 cm tall, not stoloniferous; rhizome scales 2-5 x 1-2 mm, ovate to ovate-lanceolate, brown-yellowish to blackish, flaccid, concolorous, entire, acute at apex; sterile and fertile fronds dimorphic; sterile fronds 17-48 cm long; stipe 3-12 cm long, 1.5-3.0 mm in diameter, stramineous, with a dark base as a phyllopodium 1-2 cm long, scaly principally at the base, the scales similar to the rhizome scales or longer; blade 12-36 x 5-12 cm, lanceolate to lanceolate-elliptic (less commonly deltate-lanceolate), pinnate (not winged), glabrous on both surfaces, abruptly reduced to truncate at the base, with (2-)4-7 pairs of semicircular or lunular pinnae 3-7(-12) mm long x 10-18 mm broad, continuous; developed pinnae (2-)3-7 x 1-2 cm, (8-)12-18 pairs, plane, entire, arching and broadly acute to obtuse at apex; rachis stramineous throughout, glabrous; costa stramineous, glabrous; aerophores absent, veins simple to 1-forked, leaning to the apex; fertile fronds 25-53 cm long; stipe 12-25(-34) cm long, stramineous to (more commonly) atropurpureous on the abaxial surface, with dark area to 3 cm long; blade 13-24 x 6-10 cm, deltate to lanceolateelliptic; pinnae 3.5-7 x 0.1-0.3 cm, linear, slightly ascending (rarely the apical arching).A
Forma de vida
TerrestreA
Ejemplar revisado
Chiapas: Motozintla de Mendoza, 45-50 km NE of Huixtla along road to Motozintla, 1900 m, 17 Nov 1971, D. Breedlove & A. Smith 22604 (MEXU, NY); above El Rosario, 8 mi S of Motozintla, 1800 m, 10 July 1977, T. Croat 40725 (MO); along hwy. between Huixtla and Motozintla de Mendoza, in vicinity of El Rosario, ca. 6 mi SW of Motozintla, ca. 1850 m, 10 Feb 1979, T. Croat 47239 (MO). Oaxaca: San Miguel Chimalapa, Paraje Palmero “Tierra Colorada”, cerca del parteaguas continental al W de Cerro El Retén, ca. 23 km al NE de Zanatepec, 16º40’N, 94º15’W, 13 Sep 1986, S. Moya 3878 (NY); Mpio. San Miguel Chimalapa, Cerro Sabinal, ca. 2 km al SW de Cerro Guayabitos, ca. 3 km en línea recta al NNW de Díaz Ordaz, ca. 40 km en línea recta al N de San Pedro Tapanatepec, pendiente S del Cerro, 16°44’N, 94º11’30”W, 1700 m, 20 Dec 1984, T. Wendt et al. 4637 (MO); Mpio. San Miguel Chimalapa, Cerro Salomón, ca. 2 km en línea recta NNW del Cerro Guayabitos, ca. 43 km en línea recta al N de San Pedro Tapanatepec, ca. del límite con Mpio. Santa María Chimalapa, al S del cerro, 16º45’N, 94º11’30”W, 1850 m, 19 Aug 1986, T. Wendt et al. 5345A (MEXU, MO, NY).A
Elevación
1800 – 1900 mA
Categoría IUCN
No incluidaB
Categoría NOM-059-SEMARNAT-2010
No incluidaC