Pleopeltis rosei (Maxon) A.R.Sm. & Tejero
Descripción
Rhizomes creeping, 3–6 mm diam.; rhizome scales slightly reflexed, flaccid, linear-lanceolate with sparse teeth, light reddish brown, darker in the center with age and then weakly bicolorous, 4–5 mm long; fronds (10–)20–50 cm long; stipes 1⁄5–2⁄5 the frond length, with abundant scales, stramineous to orange-tan, with red-black point of attachment and acicular tip 4–7 mm long; blades pinnatisect, long-lanceolate, 4.5–11 cm wide, the longest pinnae 2.4–6 cm X 4–6 mm; pinnae 18–37 pairs, linear, the terminal pinna small to medium-sized; nectaries on acroscopic surcurrent pinna bases; adaxial surfaces heavily scaly, the scales acicular, fimbriate, each with reddish black center and whitish margins, 2–2.5 mm long; abaxial surfaces and costae completely hidden by the scales, these acicular, like those on the adaxial surfaces; sori impressed slightly (but this not apparent on the adaxial surface), round to slightly oblong; sporangia glabrous; 2n=74 (Mexico-state not given).A
Forma de vida
o epipétrica. EpífitaA
Ejemplar revisado
(Related to the synonym Polypodium rosei) Dgo (Breedlove 59125, NY). Gro (Hinton et al. 14498, NY). Jal (McVaugh 26022, NY). Méx (Dunn & Dunn 18933, NY). Mich (Rzedowski 34627, ENCB). Mor (Lyonnet 859, MEXU, NY). Nay (Breedlove 44341, CAS). Oax (Campos V. 2201, MEXU). Sin (Breedlove 44890, NY). Zac (McVaugh 25789, NY).
Unverified, Doubtful, or Mistaken Reports. Qro (Fernández N. 3755, ENCB, cited by Díaz-Barriga & Palacios-Rios, 1992, but not verified).A
Unverified, Doubtful, or Mistaken Reports. Qro (Fernández N. 3755, ENCB, cited by Díaz-Barriga & Palacios-Rios, 1992, but not verified).A
Distribución
México (país) EndémicoA
Elevación
(600 –)1000 – 3000 mA
Ecología y Hábitat
On rocky slopes and moist ravines, montane.A
Tipo de vegetación
Bosque de pino-encinoA
Categoría IUCN
No incluidaB
Categoría NOM-059-SEMARNAT-2010
No incluidaC
Discusión taxonómica
(In relation to the synonym Polypodium rosei) This species is distinct from P. sanctae-rosae by the rhizome scales, which are larger (over 4–5 mm long instead of 0.8–1.5 mm).A