Notholaena jacalensis Pray
Descripción
Rhizomes compact, horizontal, 1–2 mm diam.; rhizome scales linear, ca. 2 mm long, bicolorous, each with black center and brown margins, lustrous, entire; fronds 12–20 cm long, clumped; stipes 1⁄2 the frond length, atropurpureous to black, terete to flattened adaxially, at base with sparse lance-deltate, weakly bicolorous, brown scales, farina absent; blades lanceolate, pinnatepinnatifid, 2.2–4 cm wide, proximal pinna pairs widely spread, apices gradually narrowed distally; pinnae 5–9 divided pairs, equilateral above the basal pinna pair, mostly 5–6 mm wide, basal pinna pair with one basiscopically exaggerated pinnatifid pinnule, segments constricted at bases, 2–3.5 mm long, entire, rachises shallowly grooved; adaxial surfaces glabrous; abaxial surfaces with pale yellow or white farina; laminar margins curved; sporangia 64-spored; spores tan or black.A
Ejemplar revisado
Hgo (Fisher s.n., 12 Aug 1937, NY, 3 Aug 1946, CAS; Medrano et al. 9503, MEXU). SLP (Chiang et al. 8178C, LL; Purpus 5484, NY, US; Zamudio 3796, NY).
A
A
Elevación
1100 – 1450 mA
Ecología y Hábitat
Gypsum slopes, rocky roadsides.A
Tipo de vegetación
Matorral de otro tipoB
Categoría IUCN
No incluidaC
Categoría NOM-059-SEMARNAT-2010
No incluidaD
Discusión taxonómica
Notholaena jacalensis is similar to N. copelandii in having a single basiscopic pinnule per basal pinna, but it has narrower blades, gradually narrowed blade apices, widely spaced proximal pinna pairs, pale yellow farina, and entire segments.A