Bommeria pedata Fourn.

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Bommeria pedata Fourn.

Descripción

Rhizomes short-creeping; rhizome scales linear-lanceolate to ovate-lanceolate, concolorous to bicolorous with age, light brown with dark center and narrow light brown margins, 3–4 X 0.8–1 mm with cilia 0.3 mm long; fronds 1 mm apart; stipes 1⁄2–2⁄3 the frond length, castaneous to atropurpureous, terete to sulcate at apices, glabrous except for scattered scales and hairs 0.5–1 mm long at bases; blades pentagonal, pedately divided, basal pinna pairs pinnatifid, each with a greatly exaggerated basiscopic pinnatifid pinnule, remainder of blades pinnatifid or with one pair of suprabasal pinnatifid pinnae; lobes entire, rounded, the margins slightly recurved; abaxial surfaces densely hispid, with stiff, unicellular, acicular hairs 0.3–0.8 mm long and scales 0.1–0.5 mm wide (2–8 cells wide at bases); adaxial surfaces with sparse, unicellular, acicular hairs 0.2–0.5 mm long; veins free, endings enlarged; sori along the distal 2⁄3–3⁄4 of veins; spores tan, brown or gray, with reticulate markings; n=2n=90, apogamous (Mor).A

Forma de crecimiento

Hierba

Forma de vida

Epipétrica, TerrestreA

Nutrición

Autotrófica

Ejemplar revisado

BCS (Breedlove 45619, CAS). Chih (Knobloch 916, US). Chis (Breedlove 51173, CAS, ENCB, NY). Col (Jones 540, US). DF (Orcutt 4331, US). Dgo (García 796, US). Gro (Hinton 9209, NY, US). Gto (Galván & Galván 2370, 2408A, ENCB, IEB). Jal (Pringle 1861, BM, NY, US). Méx (Rzedowski 29601, CAS, ENCB). Mich (King & Soderstrom 4677, NY, UC). Mor (Orcutt 4390, DS, US). Nay (McVaugh 16424, MEXU, MICH, NY, US). Oax (Mickel 6244, NY, UC). Pue (Nicolás s.n., 27 Oct 1909, NY p.p.). Sin (Keil & Canne 8823, NY, US). SLP (Schaffner s.n., NY). Son (Pennell 19673, US). Ver (Seaton 41, F, NY, US). Zac (McVaugh 17652, MICH).
Unverified, Doubtful, or Mistaken Reports. Ags (García 3278, HUAA, and three other collections, cited by Siqueiros-Delgado & González-Adame, 2004, but not verified).
A

Distribución

Centroamérica: Costa Rica PresenteA; El Salvador PresenteA; Guatemala PresenteA; Honduras PresenteA; Nicaragua PresenteA, México (país) Nativo y no endémicoA

Elevación

(50 –)900 – 1800(– 2550) mA

Ecología y Hábitat

On rocky banks, on steep slopes in open mesic and xeric woods, igneous slopes.A

Tipo de vegetación

Bosque de pino-encino, Matorral de otro tipoA

Categoría IUCN

No incluidaB

Categoría NOM-059-SEMARNAT-2010

No incluidaC

Estatus del taxón

(A) Como definida actualmente, probablemente una entidad natural (monofilética)

Discusión taxonómica

Bommeria hispida is similar in its free veins but has longcreeping rhizomes (fronds 7–10 mm distant), broad abaxial blade scales, and dimorphic hairs abaxially (acicular and curled).A

Bibliografía

A. Mickel, J. T. & Smith, A. R. 2004: The Pteridophytes of Mexico Vol. 88
B. IUCN 2022: The IUCN Red List of Threatened Species. Versión 2022-2
C. SEMARNAT 2019: MODIFICACIÓN del Anexo Normativo III, Lista de especies en riesgo de la Norma Oficial Mexicana NOM-059-SEMARNAT-2010: 101 pp. – https://www.dof.gob.mx/nota_detalle.php?codigo=5578808&fecha=14/11/2019#gsc.tab=0 [accessed 2023-05-04 06:16]