Dicranopteris flexuosa (Schrad.) Underw.
Descripción
Rhizomes 2–4 mm diam., with stiff, red-brown hairs that abrade to leave a scabrous surface; stipes very brittle, sharpsplintering, tan to brown, glabrous, dull; frond apices dormant or often continuing, pinnae 0–2 times forked; ultimate branches mostly 10–30 X 2–5 cm, basally often wider due to enlarged, sometimes pinnatifid basiscopic basal segments; ultimate segments linear, mostly 10–25 X 2–5 mm, dilated at base, subcoriaceous, often emarginate at the tip, usually glabrous or glabrescent, green to glaucous abaxially, margins often somewhat revolute, especially in fertile segments, veins immersed; sori medial between midvein and margin; 2n=ca. 156 (Jam).A
Forma de vida
TerrestreA
Ejemplar revisado
Chis (Breedlove 21967, DS, NY, 45960, CAS). Gro (Kruse 940, MEXU; Lorea 4802, FCME, IEB). Oax (King 831, ENCB, MICH, US; Mickel 7379, ENCB, MEXU, NY, UC, US). Tab (Hill & Cowan 1533, CAS, CSAT). Ver (Orcutt 3205, BM, DS, K, MEXU, MO, NY, US; Palacios-Rios 3138, NY, XAL; Smith 2107, MEXU, NY, UC, US).A
Elevación
100 – 1400 mA
Ecología y Hábitat
On dry slopes in open areas of lower Atlantic slopes, sandstones bluffs with oaks.A
Categoría IUCN
No incluidaB
Categoría NOM-059-SEMARNAT-2010
No incluidaC
Discusión taxonómica
This species is exceedingly close to D. linearis (Burm. f.) Underw. from the Paleotropics, and the two species may prove to be conspecific. In Mexico, Dicranopteris flexuosa is most similar to Gleichenella pectinata, which see, but much less common.A
Bibliografía
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]