Notholaena affinis (Mett.) T.Moore
Descripción
Rhizomes compact, horizontal, 1–2 mm diam.; rhizome scales linear-lanceolate, 1.5–2 mm long, reddish black, concolorous, margins ciliate-denticulate; fronds 3.4–24 X 0.9–1.4 cm, clumped; stipes 1⁄5–1⁄4 the frond length, reddish brown to atropurpureous, terete, with scattered to sparse linear-lanceolate scales 1–1.5 mm long, short sharp-pointed hairs 0.2–0.5 mm long, and glandular hairs 0.1 mm long, farina absent; rachises with hairs concentrated adaxially, long hairs/reduced scales pointed, 1 mm, shorter hairs gland-tipped, 0.2 mm, very short glandular hairs 0.1 mm or less; blades linear, 9–14 mm broad, pinnate-pinnatifid; pinnae (16–)20–35 pairs, equilateral, stalked 0.4–0.7 mm, articulate, pigment entering the pinnae; adaxial surfaces with scattered glands; abaxial surfaces with white farina and sparse dark hairs; laminar margins slightly curved, undifferentiated; spores black or tan.A
Ejemplar revisado
Gto (Carranza G. 3732, NY). Hgo (Broun s.n., PH, photo NY; Hitchcock & Stanford 7249, US; Matuda 23571, MEXU, US; Pray 3104, LAM, NY). Qro (Díaz B. & Carranza 7460, NY; Gómez 487, 5806, IEB; Labbat 2603, IEB). Tam (Johnston 4948H, TEX).A
Distribución
México (país) EndémicoA
Elevación
1500 – 2450 mA
Ecología y Hábitat
Among basaltic rocks.A
Tipo de vegetación
Selva baja, Bosque de otro tipo, Matorral crassicaule, Matorral micrófiloB
Categoría IUCN
No incluidaC
Categoría NOM-059-SEMARNAT-2010
No incluidaD
Discusión taxonómica
Díaz B. & Carranza 7640, NY, from Querétaro has more scales and glandular hairs on the rachis and lacks white farina. Plants called N. affinis from further south are herein referred to N. meridionalis. Notholaena affinis is distinguished from N. Meridionalis by the linear blades and more numerous pinnae.A