Bommeria ehrenbergiana Underw.
Descripción
Rhizomes short-creeping, horizontal; rhizome scales linearlanceolate, orange-tan, ca. 5 mm; fronds 12–40 cm, approximate; stipes 1⁄2–2⁄3 the frond length, terete at bases to grooved distally, castaneous to atropurpureous, glabrous except for acicular hairs in grooves; blades pedate, deltate, bipinnatifid, 5–16 cm; costae castaneous to atropurpureous; adaxial surfaces with abundant unicellular, acicular hairs 0.3–0.5 mm; abaxial surfaces with rare scales 2–8 cells wide and acicular hairs 0.3–1 mm; veins netted; sori along the distal 1⁄4–1⁄2 of veins; spores 64 per sporangium.A
Forma de vida
Epipétrica, TerrestreA
Ejemplar revisado
Gro (Lorea 2658, IEB, FCME). Hgo (Gastony & Haufler 1086, GH, MO, UC, US). Jal (Cochrane & Santana M. 13025, WIS). Méx (Matuda 28799, US). NL (Mueller & Mueller 662, F, GH, MICH). Oax (Calzada 21303, MEXU). Pue (Arsène 2147, MICH, UC). Qro (Rzedowski 53516, IEB). SLP (Poust 98, NY). Tam (Leyva B. s.n., 19 Oct 1985, UNL). Ver (Müller 719, NY).A
Distribución
México (país) EndémicoA
Elevación
1550 – 1920 mA
Tipo de vegetación
Bosque de neblina/mesófiloA
Categoría IUCN
No incluidaB
Categoría NOM-059-SEMARNAT-2010
No incluidaC
Discusión taxonómica
This species resembles B. subpaleacea in having netted veins but is distinct in having only linear abaxial costal scales (vs. conspicuous, abundant, lanceolate to ovate scales) and sori along distal 1⁄4–1⁄2 of veins (vs. 1⁄2–3⁄4 of veins).A