Pteris chiapensis A.R.Sm.
Descripción
Rhizomes erect, ca. 3 cm diam.; rhizome scales bicolorous; fronds over 1 m long (complete specimen not seen), probably with stipes about equaling blades in length; stipes ca. 8 mm diam. at base, stramineous, glabrous; blades deltate, ca. 60 cm long, 2–3-pinnate at bases, distally 2-pinnate, ultimately 1-pinnate; proximal pinnae largest, ca. 50 X 35 cm; ultimate segments 10–25 X 1.2–1.5 cm, narrowly cuneate and stalked to 3 cm at bases, entire, apices attenuate; awns of rachises and pinnae present, 0.5 mm long; venation netted, areoles in 2–3 series between midveins and margins; leaf tissue chartaceous, abaxially with scattered erect inconspicuous hairs ca. 0.1 mm; sori continuous along margins except at serrate apices.A
Forma de vida
TerrestreA
Ejemplar revisado
Chis (Breedlove 31237, DS). Gro (Hamilton & Rowell 3243, US; Hinton 14208, US; Lorea s.n., 3 Jul 1980, ENCB, FCME; Rzedowski 23584, ENCB, NY).A
Distribución
México (país) EndémicoA
Elevación
700 mA
Tipo de vegetación
Selva altaA
Categoría IUCN
No incluidaB
Categoría NOM-059-SEMARNAT-2010
No incluidaC
Discusión taxonómica
Pteris chiapensis is similar to P. pulchra except the blades are less divided (1-pinnate, basal pinnae pinnatifid or more divided), the pinnae smaller, 15–25 X 1.2–1.5 cm, and the apices long, sharply serrate (entire or minutely serrate in P. pulchra).A