Acrostichum aureum L.
Descripción
Rhizomes short-creeping, branched, massive; rhizome scaleslinear to ovate, dark brown, to 1.5 cm long; fronds 1.5–3 m long; stipes ca. 1⁄3 of the frond length, terete to decidedly grooved distally, short spines (aborted pinna midribs) frequent on distal stipe; pinnae 10–14(–30) pairs, obtuse to acute at apices, coriaceous, overlapping, margins recurved; proximal pinnae with stalks to 3 cm long; costal areoles narrow, 3 times longer than wide, extracostal areoles divergent from costae at 45–60°; fertile pinnae 1–5 pairs in distal portion of blades, similar in size and shape to the sterile pinnae; paraphyses each with isodiametric, multilobed tip; 2n=60 (Jam).A
Forma de vida
TerrestreA
Ejemplar revisado
Camp (Flores G. 318, ENCB, MEXU; Wendt & Chiang 292, XAL). Chis (Matuda 2672, K, MEXU, NY, UC, US). Gro (Lorea 4621, IEB, FCME). Nay (Ferris 5435, DS, US). Oax (Elorsa C. 1160, NY). Tab (Cowan 3193, CAS, ENCB, MEXU, NY). QR (Torres 13, UAMIZ). Ver (Rzedowski 17171, ENCB, NY). Yuc (Rico-Gray 74, UC, XAL).A
Distribución
Caribe PresenteA: Antillas Mayores PresenteA; Antillas Menores PresenteA, Centroamérica: Belice PresenteA; Costa Rica PresenteA; Guatemala PresenteA; Honduras PresenteA; Nicaragua PresenteA; Panamá PresenteA, México (país) Nativo y no endémicoA, Norteamérica al N de México PresenteA, Sudamérica PresenteA
Elevación
0 – 30 mA
Tipo de vegetación
ManglarA
Categoría IUCN
Preocupación menor (LC)B
Categoría NOM-059-SEMARNAT-2010
No incluidaC
Discusión taxonómica
Acrostichum aureum is restricted to coastal saline mangrove communities. It is distinguished from A. danaeifolium by the former being fertile only in the distal 1⁄4–1⁄3 of the blades (rather than nearly the entire length).A