Monographs Details:
Authority:
Mickel, John T. & Beitel, Joseph M. 1988. Pteridophyte Flora of Oaxaca, Mexico. Mem. New York Bot. Gard. 46: 1-580.
Mickel, John T. & Beitel, Joseph M. 1988. Pteridophyte Flora of Oaxaca, Mexico. Mem. New York Bot. Gard. 46: 1-580.
Family:
Dryopteridaceae
Dryopteridaceae
Description:
Species Description - Rhizome erect or ascending, ca. 2 mm diam.; rhizome scales linear, orange, entire, 3-6 mm long; phyllopodia lacking; fronds clumped, 2-4 (-8) cm long, 0.4-1.0 cm wide; stipe slender, usually 2/3-¾the frond length, moderately clothed with tan to orange, very narrow, subulate scales, 2-4 mm long; blade spathulate, obovate-lanceolate to narrowly elliptic, chartaceous, apex obtuse, base broadly cuneate; veins obscure, free, simple or rarely once-forked, ca. 1 mm apart, at 40-50° angle; hydathodes present but inconspicuous; blade scales somewhat subulate (slightly rolled at base), tan to dull orange, uniformly and moderately covering the blade surfaces; fertile fronds as tall or taller than the sterile, more erect, stipe ca. 4/5 the length, blade smaller than the sterile, often folded in half, spathulate to nearly round, scales of blade and upper stipe dark brown to black, shining, scale bases not inrolled but spreading and slightly toothed; soral scales absent except for base of midvein; spores with smooth, broad, low ridges.
Species Description - Rhizome erect or ascending, ca. 2 mm diam.; rhizome scales linear, orange, entire, 3-6 mm long; phyllopodia lacking; fronds clumped, 2-4 (-8) cm long, 0.4-1.0 cm wide; stipe slender, usually 2/3-¾the frond length, moderately clothed with tan to orange, very narrow, subulate scales, 2-4 mm long; blade spathulate, obovate-lanceolate to narrowly elliptic, chartaceous, apex obtuse, base broadly cuneate; veins obscure, free, simple or rarely once-forked, ca. 1 mm apart, at 40-50° angle; hydathodes present but inconspicuous; blade scales somewhat subulate (slightly rolled at base), tan to dull orange, uniformly and moderately covering the blade surfaces; fertile fronds as tall or taller than the sterile, more erect, stipe ca. 4/5 the length, blade smaller than the sterile, often folded in half, spathulate to nearly round, scales of blade and upper stipe dark brown to black, shining, scale bases not inrolled but spreading and slightly toothed; soral scales absent except for base of midvein; spores with smooth, broad, low ridges.
Discussion:
Acrostichum piloselloides Presl, Reliq. haenk. 1: 14, t. 2, f. 1. 1825. Type. “Hab. in montanis Peruviae.” Haenke s.n. (PR). Elaphoglossum piloselloides differs slightly from E. spatulatum (Bory) Moore of Bourbon Island and Africa and often is placed under that name. Further study may show them to be the same.
Acrostichum piloselloides Presl, Reliq. haenk. 1: 14, t. 2, f. 1. 1825. Type. “Hab. in montanis Peruviae.” Haenke s.n. (PR). Elaphoglossum piloselloides differs slightly from E. spatulatum (Bory) Moore of Bourbon Island and Africa and often is placed under that name. Further study may show them to be the same.
Distribution:
Mexico North America| Chile South America| Venezuela South America| Colombia South America| West Indies| Panama Central America| Guatemala Central America|
Mexico North America| Chile South America| Venezuela South America| Colombia South America| West Indies| Panama Central America| Guatemala Central America|