Diplazium puberulentum Mickel & Beitel
Descripción
Rhizomes erect; rhizome scales brown, concolorous, 1–3 X 1 mm, entire; fronds to ca. 80 cm long; stipes stramineous to tan, 27–38 cm X 3–4 mm, ca. 1⁄2 the frond length, densely puberulent on all surfaces, including adaxial grooves, the hairs ca. 0.1 mm long; blades herbaceous, 2-pinnate-pinnatifid proximally, ovate, 35–40 X 20–25 cm, apices pinnatifid, buds absent; rachises puberulent on all surfaces, hairs 0.1 mm long; pinnae stalked to 5 mm, ± inequilateral (proximal pinnae with basiscopic pinnules longer than acroscopic pinnules) to equilateral, ca. 10–12 pairs per blade, 11–15 X 6–9 cm, the largest with 8–10 pairs of inequilateral pinnules, these lobed nearly to costules at their bases, lobes oblong to deltate, toothed; veins free, pinnate, 3–5 pairs per segment; indument adaxially of erect hairs less than 0.1 mm long in rachial and costal grooves, abaxially the costae, costules, and veins with erect hairs 0.1 mm long, tissue between veins glabrous; sori pinnate in the ultimate segments, with subentire indusia 3–5 X 0.5–0.8 mm.A
Forma de vida
TerrestreA
Ejemplar revisado
Oax (only the type). Ver (Nee & Taylor 26270, NY).A
Distribución
México (país) EndémicoA
Elevación
1600 – 1750 mA
Tipo de vegetación
Bosque de neblina/mesófiloA
Categoría IUCN
No incluidaB
Categoría NOM-059-SEMARNAT-2010
No incluidaC
Discusión taxonómica
The absence of scales on the stipes, rachises, and costae and the dense minute hairs on the stipes, rachises, costae, and veins abaxially distinguish this species from congeners in Mexico. Probably, it is most closely related to D. franconis, which it resembles in having inequilateral pinnules.A