Hemidictyum marginatum (L.) C.Presl
Descripción
Caudices to ca. 30 cm tall, 15 cm diam.; rhizome scales to 4 cm X 1 mm; stipes to 100 X 2 cm long, ca. 1⁄2 the frond length, bases somewhat scaly; blades 100–200 X 50–100 cm; pinnae opposite to subopposite, entire, sessile, often subcordate and overlapping the rachises, 25–55 X 6–12 cm, abruptly acuminate, bases cordate-clasping, laminae bright-green, succulent, papery and fragile on drying; indusia 15–30(–40) X 0.5–0.8 mm, entire; 2n=62 (Trin).A
Forma de vida
TerrestreA
Ejemplar revisado
Chis (Collins & Doyle 233, US; Purpus 6764, MO, NY, UC, US; Rovirosa 857, NY; Ventura & López 1156, ENCB, MEXU, MO, XAL). Oax (Hallberg 1613, NY, US; Martínez- Calderón 392 MEXU, UC, US; Mickel 6381, ENCB, NY, UC, 7194, NY; Torres C. 11653, MEXU).
Unverified, Doubtful, or Mistaken Reports. Ver (Acosta 3103-2d, CIB, XAL, cited by Palacios-Rios, 1992, but not verified).
A
Unverified, Doubtful, or Mistaken Reports. Ver (Acosta 3103-2d, CIB, XAL, cited by Palacios-Rios, 1992, but not verified).
A
Elevación
150 – 1000 mA
Ecología y Hábitat
Especially along streams.A
Tipo de vegetación
Selva altaA
Categoría IUCN
No incluidaB
Categoría NOM-059-SEMARNAT-2010
No incluidaC
Discusión taxonómica
The only large 1-pinnate, entire-margined species of Diplazium with which Hemidictyum might be confused in Mexico are D. grandifolium and D. obscurum, and these are easily distinguished by their free venation.A