Pteris vittata L.
Descripción
Rhizomes ascending or erect; rhizome scales yellow, 5–7 mm long; fronds 25–80 cm, clumped; stipes 1⁄8–1⁄6 the frond length, ca. 10 cm long, densely scaly; blades pinnate, gradually reduced proximally, widest above the middle, (6–)12–25 cm wide; pinnae 11–22(–35) pairs, linear, the bases slightly auriculate both acroscopically and basiscopically, not articulate, sterile margins serrulate near apices, terminal pinnae strongly exaggerated; rachises and costae sparsely scaly, stramineous to yellow-brown, lacking awns adaxially, abaxial laminae glabrous between costae and margins; veins free; sori continuous along margins, interrupted at pinna apices; indusia entire; spores pale orange; 2n=116 (Sri Lanka, Ghana, Cameroon, Natal, Nepal, W. Himalaya, N. Guinea, Philippines).A
Ejemplar revisado
NL (Aguirre 574, 575, 576, ENCB; Barkley 14555, US; Clausen 7640, US; Fairey T311M221, UC; Flores F. s.n., ENCB; Knobloch 2013, US; Kruckeberg 4850, NY; Rodriguez L. 82, NY). Tam (Trejo Avila s.n., 19 Oct 1985, UNL).
Unverified, Doubtful, or Mistaken Reports. QR (Castillo R. & Tun G. 247, UADY, XAL, cited by Palacios-Rios, 2002c, but not verified). Yuc (Palacios-Rios et al. 3688, XAL, cited by Palacios-Rios, 2002b, but not verified).
A
Unverified, Doubtful, or Mistaken Reports. QR (Castillo R. & Tun G. 247, UADY, XAL, cited by Palacios-Rios, 2002c, but not verified). Yuc (Palacios-Rios et al. 3688, XAL, cited by Palacios-Rios, 2002b, but not verified).
A
Ecología y Hábitat
In calcareous soils; low elevations.A
Categoría IUCN
Preocupación menor (LC)B
Categoría NOM-059-SEMARNAT-2010
No incluidaC
Discusión taxonómica
Pteris vittata is native to eastern Asia and is frequently introduced and naturalized in the NewWorld tropics and subtropics. It can be confused with P. longifolia, which see for distinguishing characters.A