Llavea cordifolia Lag.
Descripción
Rhizomes horizontal, compact, to 2.5 cm diam.; rhizome scales concolorous at bases, lustrous black, linear-lanceolate, 0.6–1.4 cm X 1–2 mm; fronds 60–120 cm long, clumped; stipes ca. 1⁄2 the frond length, stramineous, grooved, glabrous except for large, stramineous, linear-lanceolate scales 1–3 cm X 1–2 mm at stipe bases; blades broadly ovate, mostly 3-pinnate at bases; segments ovate-deltate, 2–3 X 0.8–2.2 cm, truncate to narrowly cuneate at bases, obtuse to acute at apices, glabrous, margins serrulate and clear; veins free, 1–2-forked, vein endings prominent; fertile segments linear, 2.5–8 cm X 1.2–2 mm, margins differentiated, 0.5 mm wide, erose, thin, continuous, covering the sori, with short, glandular hairs on inside of indusial flap; 2n=58 (Hgo, NL).A
Forma de vida
TerrestreA
Ejemplar revisado
Chis (Matuda 4642, F, GH, MEXU, MICH). Coah (Lyonnet 421000003, MEXU). Dgo (Houck 4, MICH). Gro (Velázquez 476, FCME). Gto (Rzedowski 41546, XAL). Hgo (Copeland herb. s.n., 27 Dec 1937, MICH). NL (Pringle 1990, DS, F, GH, MICH, NY, UC). Oax (Camp 2750, GH, MICH, NY). Pue (Arsène 2180, MEXU, UC). Qro (Zamudio 6148, IEB, MEXU). SLP (Sánchez 460, MEXU). Tam (Stanford et al. 2012, DS, GH, NY). Ver (Vázquez T. 00219, XAL).A
Elevación
1450 – 2500 mA
Ecología y Hábitat
On rocky slopes of moist woods and cliffs.A
Tipo de vegetación
Bosque de neblina/mesófiloA
Categoría IUCN
No incluidaB
Categoría NOM-059-SEMARNAT-2010
No incluidaC