Asplenium pringlei Davenp.

Primary tabs

Asplenium pringlei Davenp.

Descripción

Roots thin, wiry, not proliferous; rhizomes suberect to erect; rhizome scales dark brown to black, clathrate, ca. 3–4 X 0.3–0.4 mm, entire; fronds clumped, mostly 10–15 cm long; stipes dark brown to black, lustrous, 1.5–2.5 cm X 0.7–1 mm, ca. 1⁄10 of frond length, often curved at bases, sparsely scaly, adaxially with wings ca. 0.1 mm wide; blades chartaceous, mostly 8–13 X 1–1.5 cm, pinnate to pinnate-pinnatifid, linear, lacking buds, rachises black, lustrous, curved, nearly glabrous, adaxially with brownish wings 0.2 mm wide; pinnae oblong, 20–34 pairs, proximal and sometimes middle ones slightly deflexed, 4–5 X 1.5–3 mm, subsessile, rachis color not running onto the pinna stalks, slightly auriculate acroscopically, apices obtuse, incised 1⁄4–1⁄2 the way to the costae; veins obscure, tips evident adaxially; indument abaxially of scattered appressed, whitish to tan clavate hairs 0.1–0.2 mm long; sori 1–4 pairs per pinna, on both sides of midveins, submarginal on small lobes, 1 sorus per lobe; indusia 0.7–1.2 X 0.7–1.2 mm, margins entire, often incurved; spores reniform.A

Forma de vida

EpipetricA

Forma de crecimiento

Hierba

Nutrición

Autotrófica

Ejemplar revisado

Chih (Pringle s.n., in 1887, MEXU). Col (Avelar Muñoz 16923, UC; Vasquez V. 1565, UC). Jal (Pringle 2769, MO, UC, 4089, MEXU, s.n., MEXU). Nay (Mexia 857, CAS, UC, US).
A

Distribución

México (Country) endemicB

Elevación

12002300 mA

Ecología y Hábitat

On wet cliffs and mossy ledgesA

Tipo de vegetación

No especificado

Categoría IUCN

No incluidaC

Categoría NOM-059-SEMARNAT-2010

No incluidaD

Estatus del taxón

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

Discusión taxonómica

This species is distinguished by its curved rachises, incised pinnae, and submarginal sori with large, entire indusia. It is closely related to A. sanchezii, A. fibrillosum, and A. blepharodes.A

Bibliografía

A. Mickel, J. T. & Smith, A. R. 2004: The Pteridophytes of Mexico Vol. 88
B. Mickel, J. T. & Smith, A. R. 2004: The Pteridophytes of Mexico Vol. 88
C. IUCN 2022: The IUCN Red List of Threatened Species. Versión 2022-2
D. 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]