Thelypteris decussata (L.) 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
Species Description - Plants terrestrial. Rhizomes thick, decumbent to suberect. Fronds monomorphic, (1)1.5-2.5(3.5) m long; pinnae numerous, triangular, long-acuminate, 18-45 X 2-4.5 cm, with aerophores at base; ultimate segments linear, 5-12 X 3-5 mm, rounded at apex, with 25—45 pairs of veins; midrib glabrous or pubescent abaxially, the veins pubescent. Sori round, numerous on each segment; indusia absent.
Distribution and Ecology - Understory of primary and secondary lowland forests