Pteris propinqua J.Agardh
Descripción
Rhizomes erect to short-creeping; rhizome scales bicolorous; fronds 50–150 cm; stipes ca. 1⁄2 the frond length, glabrous or minutely hairy, gray-brown; blades 30–120 cm wide, tripartite; basal pinnae pinnate-pinnatifid above the basal pinnules, basal basiscopic pinnules not exaggerated, pinnatifid; suprabasal pinnae 4–8 pairs, 2–4 cm wide, pinnatifid, pedicellate, the pedicels 1–2.5 cm, bordered by a narrow green wing decurrent onto the rachis; ultimate segments slightly falcate, tips acute, serrate; rachises and costae unarmed with dark, tortuous hairs, awns ca. 0.5 mm; blade tissue chartaceous, glabrous; veins netted, one costal areole between adjacent costules; sori continuous along margins, interrupted at segment apices.A
Ejemplar revisado
Ver (Palacios-Rios 3221, XAL).A
Elevación
0 – 500 mA
Ecología y Hábitat
Secondary forests, shores of lakes.A
Tipo de vegetación
Selva altaB
Categoría IUCN
No incluidaC
Categoría NOM-059-SEMARNAT-2010
No incluidaD
Discusión taxonómica
The only specimen cited for Mexico occurs at low elevation typical of P. propinqua, but lacks the basiscopically decurrent pinna bases typical of Pteris propinqua, and the golden hairs of the abaxial pinna costae of P. orizabae.A