Acrostichum danaeifolium Langsd. & Fisch.

  • Authority

    Mickel, John T. & Smith, Alan R. 2004. The pteridophytes of Mexico. Mem. New York Bot. Gard. 88: 1-1054.

  • Family

    Pteridaceae

  • Scientific Name

    Acrostichum danaeifolium Langsd. & Fisch.

  • Description

    Species Description - Rhizomes massive, erect, infrequently branched, shortcreeping; rhizome scales linear, to 2 cm long, dark brown, bases black, narrowed, margins pale; fronds 3.5 m long, clumped; stipes stout, slightly grooved, dark brown; pinnae usually 40-60 pairs, linear-oblong, chartaceous, margins slightly recurved and cartilaginous; proximal pinnae short-stalked, stalks less than 2 cm; costal areoles broad, never more than 3 times longer than wide, extracostal areoles divergent from costae at 60 -85° fronds either fertile or sterile (otherwise sterile fronds rarely fertile only in distal 1/4), the fertile pinnae resembling the sterile in size and shape, fertile fronds somewhat taller than sterile fronds; paraphyses with long, nearly horizontal tips, entire or few-lobed; 2n=60 (Jam).

  • Discussion

    Type. Brazil. Santa Catarina Island, Krusenstern s.n. (LE). Chrysodium lomarioides Jenman, Timehri 4: 314. 1885. Acrostichum lomarioides (Jenman) Jenman, Bull. Bot. Dept., ser. 2, 5: 154. 1898, hom. illeg., non Bory, 1833. Acrostichum excelsum Maxon, Proc. Biol. Soc. Wash. 18: 224. 1905. Type. British Guiana [Guyana]: Jenman s.n. (NY!). Chrysodium lomarioides Jenman var. hastatum Christ, Bull. Herb. Boissier, se´r.2, 5: 725. 1905. Type. Mexico. Chiapas: Hot sulphur spring near El Carmen (200 miles from the coast), Mu¨nch s.n. (P, not found; isotypes DS!, US!). Most collections of A. danaeifolium bear numerous, minute, erect hairs on the abaxial blade surfaces and can often be distinguished by this character. Acrostichum danaeifolium is much more common than A. aureum.

  • Distribution

    Brackish swamps, fresh-water swamps or by streams in tropical rain forest; 0-300 m. USA (Fla); Mexico; Guat, Bel, Hond, Salv, Nic, CR, Pan; Berm, Bah, Gr & L Ant; Col, Ven, Trin, Guy, Sur, Fr Gui, Ec, Peru, s Braz, Bol, Parag.

    Mexico North America| Guatemala Central America| Belize Central America| Honduras Central America| El Salvador Central America| Nicaragua Central America| Costa Rica South America| Panama Central America| Bermuda South America| Bahamas South America| West Indies| Colombia South America| Venezuela South America| Trinidad and Tobago South America| Guyana South America| Suriname South America| French Guiana South America| Ecuador South America| Peru South America| Brazil South America| Bolivia South America| Paraguay South America|