Microgramma heterophylla (L.) Wherry
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Authority
Acevedo-Rodríguez, Pedro. 2005. Vines and climbing plants of Puerto Rico and the Virgin Islands. Contr. U. S. Natl. Herb. 51: 1-483.
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Family
Polypodiaceae
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Scientific Name
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Description
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Description - Epiphytic or less frequently epilithic fern. Rhizomes scandent by minute aerial roots, 1-2 m long, filiform, cylindrical. 0.5-2 mm w ide. densely covered with appressed, ferruginous, attenuate scales, 5-7 mm long, peltate above the base. Fronds dimorphic, 3-19 x 0.4-1.7 cm; stipes slender. 4-20 mm long, yellowish to light brown, glabrous; blades entire, chartaceous, elliptical, oblong or lanceolate, glabrous, the midvein prominent, the secondary venation conspicuous, widely reticulate, the apex obtuse or acute, the base long-attenuate, the margins crenate. Sori rounded, ferruginous, forming a row on each side of the midvein; paraphyses inconspicuous.
Phenology - Found in fertile condition throughout the year.
Conservation Status - Native, quite common.