Elaphoglossum tenuiculum (Fée) T.Moore
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Authority
Mickel, John T. & Smith, Alan R. 2004. The pteridophytes of Mexico. Mem. New York Bot. Gard. 88: 1-1054.
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Family
Dryopteridaceae
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Scientific Name
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Description
Species Description - Rhizomes short-creeping, ca. 2 mm diam.; rhizome scales linear-lanceolate, ca. 2 mm long, castaneous to dark brown, lustrous, subentire with occasional teeth near scale bases; fronds approximate, 9–21 cm long; phyllopodia distinct; stipes 1/4–1/3 the sterile leaf length, stramineous to tan with scattered orange-tan, stellate hairs; blades linear, 5–20 cm x 4–7 mm, chartaceous, bases cuneate, apices acuminate; veins barely visible, ca. 1 mm apart, at 60–70º angle to costae; hydathodes absent; blade indument abaxially of sparse, stellate hairs, especially on the costae, those on the adaxial surfaces with narrow scale body; fertile fronds ca. equal to sterile fronds in length, narrower, and longer-stiped than the sterile, stipes 1/3–1/2 the frond length, blades 5–7 mm wide, stellate hairs on abaxial costae but not among the sporangia.
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Discussion
Acrostichum tenuiculum Fe´e, Me´m. Foug. 10: 6, t. 29, f. 2. 1865. Type. Venezuela. Colonia Tovar, Fendler 272 (P!). Elaphoglossum stellatum Mickel, Amer. Fern J. 69: 101. 1979. Type. Guatemala. Santa Rosa: Volca´n Tecuamburro, Steyermark 33155 (F!; isotype US!).
Elaphoglossum tenuiculum is distinct by having virtually all the stipe and blade scales stellate with no scale body.
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Distribution
Terrestrial or epipetric in pine-oak forests; 1450 m. Mexico; Guat, Hond, Salv, CR; Col, Ven, Ec, Peru, Braz, Bol.
Mexico North America| Bolivia South America| Brazil South America| Peru South America| Amazonas Ecuador South America| Venezuela South America| Colombia South America| Costa Rica South America| El Salvador Central America| Honduras Central America| Guatemala Central America|