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THELYPTERIDACEAE THELYPTERIS FAMILY

John C. Game, Alan R. Smith & Thomas Lemieux

Plants generally in soil; rhizome short- to long-creeping, prostrate to erect, [trunk-like], scales generally hairy, ± brown. Leaf: stipe ×-section at base with 2 crescent-shaped vascular strands fusing into 1 U-shaped strand distally; blade 1[2]-pinnate, generally with needle-like, clear hairs on axes and/or between veins; rachis, costae generally grooved adaxially except between axes; veins free or in regular, net-like pattern. Sporangia: sori on veins, generally round; indusia reniform or round-reniform [0]; stalk cells in 3 rows; spores generally elliptic, scar generally linear.
1 genus (5–32 genera), ± 1000 species: worldwide, especially tropics; several cultivated. —Scientific Editors: Alan R. Smith, Thomas J. Rosatti.

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Citation for the whole project: Jepson Flora Project (eds.) 2013. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on Oct 25 2014
Citation for this treatment: [Author of taxon treatment] 2013. Thelypteridaceae, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=26, accessed on Oct 25 2014

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