Marattia weinmanniaefolia Liebm.

Marattia weinmanniaefolia lyiebm. Vidensk. Selsk
Skr. V. 1 : 308. 1849.
Gymnotheca weinmanniaefolia de Vriese, Monogr. Maratt. 11, 1853. Marattia Laucheana Blass, Hamb. Gartenz. 14 : 233. 1858.
Rhizome short, fleshy, barely 15 cm. high ; leaves about 2 meters long, tripinnate, broadly lanceolate ; rachis sparsely scaly, olivaceous-brown ; pinnae opposite, lanceolate, 40-60 cm. or more long, 10-15 cm. apart; pinnules alternate, 10-12 cm. long, about 2 cm. broad, lanceolate, close, 2.3-5 cm. apart, the ultimate rachises smooth, except at the insertion, the ultimate pinnules discontinuously winged ; ultimate pinnules coriaceous, 10-12 mm. long, about 5 mm. broad, unequally narrowed and obtuse at the base, naked below, the apex blunt, serrate ; veinlets mostly simple ; synangia 16-locular, the receptacle linear or thicker, naked.
Type locality : Villa Alta, Oaxaca, Mexico.
Distribution : Oaxaca ; Guatemala ; and in cultivation {M. Laucheana) .