Didymoglossum bucinatum (Mickel & Beitel) M.Palacios
Descripción
Rhizomes slender, 0.3 mm diam., long-creeping; rhizome hairs dense, dark brown to black, 0.5 mm long; roots absent; fronds 1.5–4 cm long, distant; stipes ca. 1⁄10–1⁄4 the frond length, 0.5 mm wide, flattened, alate to base or nearly so, with dark brown to black hairs 0.3–0.5 mm long; blades irregularly pinnatifid, some linear, 0.5–2 cm wide, with short lobes, others with pinnae of differing lengths, broader towards the blade apices, to 2 cm wide, margins entire with both forked and stellate hairs, many near pinna tips; rachises broadly adnate; veins free, many unconnected false veins parallel to true veins, with scattered short, clavate hairs 0.1 mm long; sori 1-several per blade; involucres strongly exserted, stalk 0.5–1 mm long, 3 X 0.8 mm, each with large, bilabiate mouth, lips 1 X 1 mm wide, with dark margins of several rows of cells.A
Forma de vida
EpífitaA
Ejemplar revisado
(Related to the synonym Trichomanes bucinatum) Hgo (Gimate L. 971, NY). Oax (Mickel 982, ISC, 5105, 5387, NY).
Unverified, Doubtful, or Mistaken Reports. Ver (Pringle 10809, XAL, cited by Palacios-Rios, 1992, but specimen is T. reptans).A
Unverified, Doubtful, or Mistaken Reports. Ver (Pringle 10809, XAL, cited by Palacios-Rios, 1992, but specimen is T. reptans).A
Distribución
México (país) EndémicoA
Elevación
1500 – 2200 mA
Tipo de vegetación
Bosque de neblina/mesófiloA
Categoría IUCN
No incluidaB
Categoría NOM-059-SEMARNAT-2010
No incluidaC
Discusión taxonómica
(In relation to the synonym Trichomanes bucinatum) The variable pinnatifid fronds (some narrowly lanceolate to linear with reduced proximal pinnae), some stellate hairs at the pinna tips, and the strongly exserted involucres with long lips separate this species from other members of sect. Didymoglossum (T. petersii, T. ovale, T. hymenoides, and T. reptans). It resembles T. reptans most closely.A