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Volume I (1961) - Flora of New Zealand Indigenous Tracheophyta - Psilopsida, Lycopsida, Filicopsida, Gymnospermae, Dicotyledons
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Thelypteris Schmidel

THELYPTERIS Schmidel, 1762

Rhizome dictyostelic, paleate; lamina us. pinnate, sts setose; veins all free or the lowest of adjacent segs uniting at or near sinus. Sori dorsal, us. small; indusium reniform-cordate or absent; spores bilateral. Copeland (Gen. Fil. 1947, 136) as against Alston (Kew Bull. 1932, 309) argues that Thelypteris Schmidel is invalid, and that Lastrea Bory, 1824, should be adopted.

Key

1
Veinlets of adjacent segs meeting and coalescing at or near the sinus
2
Veinlets not so meeting
4
2
Indusium lacking
1. pennigera
Indusium evident, reniform-cordate
3
3
Rhizome elongate; lamina coriac.; lower pinnae not much reduced, pinnae ascending
2. gongylodes
Rhizome short; lamina submembr.; lower pinnae much reduced, pinnae spreading nearly at right angles to rhachis
3. dentata
4
Lamina pinnate; rhizome elongate
4. palustris
Lamina 2-3-pinnate; rhizome short
5. uliginosa
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