Pecluma longepinnulata (E.Fourn.) F.C.Assis & Salino

Primary tabs

Pecluma longepinnulata (E.Fourn.) F.C.Assis & Salino

Descripción

Rhizomes creeping, 3–5 mm diam.; rhizome scales deltatelanceolate, brown, lustrous, 3–4 mm long; fronds 30–70 cm long, distant; stipes 1⁄6–1⁄3 the frond length, light to medium brown, minutely glandular with hairs less than 0.1 mm; rachises with dense hairs 0.1 mm long; blades narrowly to broadly oblong, tapering to pinnatifid apices, (10–)12–26(–30) cm wide, very thin; pinnae linear-lanceolate to linear-deltate, often constricted at bases and with a slight superior auricle or with both superior and inferior auricles at pinna bases; adaxial laminar surfaces with dense hairs 0.3–0.5 mm on costae, a few hairs also on veins and margins; abaxial laminar surfaces less abundantly hairy, costae with hairs 0.1 mm; margins entire to slightly undulate; veins mostly casually anastomosing proximally, especially in larger specimens, distally free; sori slightly oblong, rarely round, medial to supramedial; sporangia glabrous; 2n=74 (Chis).A

Forma de crecimiento

Hierba

Forma de vida

EpífitaA

Nutrición

Autotrófica

Ejemplar revisado

(Related to the synonym Polypodium longepinnulatum) Chis (Breedlove 15360, NY; Little & Sharp 9945, US). Gro (Rzedowski 18599, ENCB). Hgo (Rzedowski 32681, CHAPA). Jal (McVaugh 14241, US). Oax (Mickel 6597, NY). Pue (Rzedowski 31755, ENCB; Vera Santos 3670, US). Qro (Rubio 2495, IEB). Ver (Ventura A. 4792, NY).
Unverified, Doubtful, or Mistaken Reports. Ags (Siqueiros 4348, HUAA, cited by Siqueiros-Delgado & González-Adame, 2004, but not verified).A

Distribución

Centroamérica: Guatemala PresenteA; Honduras PresenteA, México (país) Nativo y no endémicoA

Elevación

1000 – 3000 mA

Tipo de vegetación

Bosque de neblina/mesófilo, Selva altaA

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

(In relation to the synonym) Polypodium longepinnulatum is distinguished by the pinnae usually constricted at the bases, each pinna often with small superior auricle or with both a superior and inferior auricle.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]