Thelypteris abrupta (Desv.) Proctor
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Authority
Mori, S. A., et al. 1997. Guide to the vascular plants of central French Guiana: Part 1. Pteridophytes, gymnosperms, and monocotyledons. Mem. New York Bot. Gard. 76: 1-422.
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Family
Thelypteridaceae
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Scientific Name
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Description
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Species Description - Fronds slightly dimorphic, the fertile fronds erect, 1 m long, with more pinnae than sterile fronds; blade with 8-15 pairs of pinnae, abruptly reduced into pinnatifid apex; pinnae elliptic, 7-15 X 3-5 cm, incised 1/3 distance to midrib, the basal segments reduced; midrib glabrous or with acicular hairs 0.1 mm long. Sori pubescent along margin; indusia present.
Distribution and Ecology - In understory of lowland forest.