Show Lower Taxa
Difference between revisions of "Thelypteris subg. Lastrea"
J. Wash. Acad. Sci. 48: 232. 1958.
Basionym: Nephrodium subg. Lastrea Hooker
Treatment appears in FNA Volume 2.
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| − | --><span class="statement" id="st- | + | --><span class="statement" id="st-undefined" data-properties=""><b>Distinguished </b>from other subgenera by the combination of seasonal leaves, short-creeping to suberect stems hidden by old petiole bases, persistently scaly petioles, pinnate-pinnatifid blades with greatly reduced proximal pinnae, and veins meeting margin above the sinuses. <b>x</b> = 34.</span><!-- |
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|genus=Thelypteris | |genus=Thelypteris | ||
|subgenus=Thelypteris subg. Lastrea | |subgenus=Thelypteris subg. Lastrea | ||
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Revision as of 13:15, 27 July 2019
Distinguished from other subgenera by the combination of seasonal leaves, short-creeping to suberect stems hidden by old petiole bases, persistently scaly petioles, pinnate-pinnatifid blades with greatly reduced proximal pinnae, and veins meeting margin above the sinuses. x = 34.
Discussion
Thelypteris quelpaertensis, T. limbosperma (Allioni) H. P. Fuchs from Europe, and T. elwesii (Baker) Ching from Asia constitute the genus Oreopteris Holub (R. E. Holttum 1981).
Selected References
None.