Danaea cuspidata Liebm.
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Authority
Mickel, John T. & Beitel, Joseph M. 1988. Pteridophyte Flora of Oaxaca, Mexico. Mem. New York Bot. Gard. 46: 1-580.
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Family
Marattiaceae
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Scientific Name
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Description
Species Description - Rhizome short-creeping, green, 7-13 mm diam.; rhizome scales dark; fronds to 120 cm tall; stipe 18-36 cm long, ca. ½ or slightly less than ½ the frond length, with (0-)2-4 swollen nodes, with dense (especially at nodes) to remote, brown appressed scales, green-brown color; blade pinnate, 7.5-16.5 cm to 32 cm broad; pinnae 7-13 pairs, sterile pinnae 9-12(-16) cm long, 1.5-2.0 cm wide, narrowly elliptic, base obliquely cunéate or truncate, apex serrate, long-acuminate; lamina dark green, with minute scales on veins and trichomidia on lamina; veins free, simple or once-forked; fertile pinnae similar in shape to those of the sterile fronds but narrower, 4.5-6 cm long, 0.5-0.7 cm wide; synangia 56-62 per pinna.
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Discussion
Type. Mexico. Oaxaca: Chinantla, between Lobani and Petlapa, Liebmann [Pl. Mex. 2184, Fl. Mex. 255, 656] (C!). Danaea munchii Christ in Rosenstock, Repert. Spec. Nov. Regni Veg. 22: 23. 1925. Type. Mexico. Chiapas: San Pablo, Münch 159 (P; isotypes DS, US!). Danaea cuspidata is distinguished by its slender, strongly serrulate pinnae.
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Distribution
Terrestrial in wet montane forests on Atlantic slope; Choapan, Ixtlán, Tuxtepec, Villa Alta; 250-1650 m. Mexico (Oax, Chis); Guat, CR, Pan.
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