Pellaea cordifolia (Sessé & Moc.) A.R.Sm.

Primary tabs

Pellaea cordifolia (Sessé & Moc.) A.R.Sm.

Descripción

Rhizomes short, stout, compact; rhizome scales 5–6 X 0.3–0.8 mm, dull tan to reddish brown, linear-lanceolate, irregularly denticulate, tortuous; fronds to 30 cm long, erect; stipes 1⁄4–1⁄2 the frond length, nearly terete to plane adaxially, stramineous and glistening, glabrous or rarely sparsely pubescent; rachises and segment stalks essentially glabrous, with occasional short hairs on pinnule stalks; blades narrowly oblong to deltate, 2-pinnate, light green, yellow-green to gray-green; pinnae widely spreading to slightly ascending, segments round, ca. 12 X 9–11 mm, bases cordate, terminal pinnule on each pinnae with equilateral base, pinnae at broader angle to rachises than in P. sagittata, with only a few hairs abaxially on veins and costae near terminal segments; modified indusia 0.1–0.3 mm wide, entire, occasional hairs along recurved margin, cells along recurved margins whitened; spores brown; 2n=58 (DF).A

Forma de crecimiento

Hierba

Forma de vida

TerrestreA

Nutrición

Autotrófica

Ejemplar revisado

Ags (Rzedowski & McVaugh 862, MICH). Chih (Pringle 448, NY). Chis (Purpus 7248, NY). Coah (Wynd & Mueller 590, NY). DF (Matuda 18828, US). Dgo (Reveal 3025, NY). Gro (Lorea 4378, FCME). Gto (Kenoyer 1787, US). Hgo (Rose & Painter 6741, NY). Jal (McVaugh 16775, MICH). Méx (Rose & Painter 6825, US). Mich (Arsène 2970, US). Mor (Fisher 35417, NY). NL (Mueller & Mueller 970, MEXU). Oax (Mickel 4091, NY). Pue (Purpus 2712, NY). Qro (Rose & Rose 11196, NY). SLP (Parry & Palmer 980, NY). Tlax (Langman 2589, US). Ver (Chazaro B. et al. 6094, XAL). Zac (Taylor & Taylor 6022, NY).A

Distribución

México (país) Nativo y no endémicoA, Norteamérica al N de México PresenteA

Elevación

1900 – 3050 mA

Ecología y Hábitat

Dry, rocky slopes or basaltic cliffs.A

Tipo de vegetación

Bosque de encinoA

Categoría IUCN

No incluidaB

Categoría NOM-059-SEMARNAT-2010

No incluidaC

Estatus del taxón

(A) Como definida actualmente, probablemente una entidad natural (monofilética)

Discusión taxonómica

Pellaea cordifolia is distinct from P. sagittata in its roundcordate segments.A

Bibliografía

A. Mickel, J. T. & Smith, A. R. 2004: The Pteridophytes of Mexico Vol. 88
B. IUCN 2022: The IUCN Red List of Threatened Species. Versión 2022-2
C. SEMARNAT 2019: MODIFICACIÓN del Anexo Normativo III, Lista de especies en riesgo de la Norma Oficial Mexicana NOM-059-SEMARNAT-2010: 101 pp. – https://www.dof.gob.mx/nota_detalle.php?codigo=5578808&fecha=14/11/2019#gsc.tab=0 [accessed 2023-05-04 06:16]