Difference between revisions of "Thelypteris kunthii"
Contr. U.S. Natl. Herb. 38: 53. 1967.
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|common_names=Widespread maiden fern;southern shield fern | |common_names=Widespread maiden fern;southern shield fern | ||
| − | |basionyms={{Treatment/ID/ | + | |basionyms={{Treatment/ID/Basionym |
|name=Nephrodium kunthii | |name=Nephrodium kunthii | ||
|authority=Desvaux | |authority=Desvaux | ||
| + | |rank=species | ||
| + | |publication_title=Mém. Soc. Linn. Paris | ||
| + | |publication_place=6: 258. 1827 | ||
}} | }} | ||
|synonyms={{Treatment/ID/Synonym | |synonyms={{Treatment/ID/Synonym | ||
|name=Christella normalis | |name=Christella normalis | ||
|authority=(C. Christensen) Holttum | |authority=(C. Christensen) Holttum | ||
| + | |rank=species | ||
}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Dryopteris normalis | |name=Dryopteris normalis | ||
|authority=C. Christensen | |authority=C. Christensen | ||
| + | |rank=species | ||
}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Thelypteris macrorhizoma | |name=Thelypteris macrorhizoma | ||
|authority=R. P. St. John | |authority=R. P. St. John | ||
| + | |rank=species | ||
}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Thelypteris normalis | |name=Thelypteris normalis | ||
|authority=(C. Christensen) Moxley | |authority=(C. Christensen) Moxley | ||
| + | |rank=species | ||
}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Thelypteris saxatilis | |name=Thelypteris saxatilis | ||
|authority=R. P. St. John | |authority=R. P. St. John | ||
| + | |rank=species | ||
}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Thelypteris unca | |name=Thelypteris unca | ||
|authority=R. P. St. John | |authority=R. P. St. John | ||
| + | |rank=species | ||
}} | }} | ||
|hierarchy=Thelypteridaceae;Thelypteris;Thelypteris subg. Cyclosorus;Thelypteris kunthii | |hierarchy=Thelypteridaceae;Thelypteris;Thelypteris subg. Cyclosorus;Thelypteris kunthii | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Thelypteris kunthii | name=Thelypteris kunthii | ||
| − | |||
|authority=(Desvaux) C. V. Morton | |authority=(Desvaux) C. V. Morton | ||
|rank=species | |rank=species | ||
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|publication year=1967 | |publication year=1967 | ||
|special status= | |special status= | ||
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V2/V2_315.xml |
|genus=Thelypteris | |genus=Thelypteris | ||
|subgenus=Thelypteris subg. Cyclosorus | |subgenus=Thelypteris subg. Cyclosorus | ||
Latest revision as of 20:22, 5 November 2020
Stems short- to long-creeping, 4–8 mm diam. Leaves monomorphic, evergreen, up to 2(–3) cm apart, (15–)50–160 cm. Petiole straw-colored, (5–)20–80 × (1–)3–6 mm, at base with brown, linear-lanceolate, hairy scales. Blade (9–)30–80 cm, broadest at base, gradually tapered to pinnatifid apex. Pinnae (2–)8–15(–20) × (0.6–)1–2.5 cm, incised 3/5–4/5 of width; segments oblong, rounded to acute at apex; proximal pair of veins from adjacent segments running to sinus, or nearly so. Indument abaxially of hairs mostly 0.3–1 mm on costae, veins, and blade tissue; veins adaxially with similar hairs but blade tissue usually without hairs, often with scattered yellowish, stalked glands 0.1 mm. Sori round, medial to supramedial; indusia tan, hairy, hairs 0.2–0.4 mm; sporangial glands obscure, yellowish, stalked, arising from sporangial stalks. 2n = 144.
Habitat: Roadsides, ditches, riverbanks, woodlands, limestone sinks
Elevation: 0–100 m
Distribution
Ala., Ark., Fla., Ga., La., Miss., S.C., Tex., e, s Mexico, West Indies, Bermuda, Central America to Costa Rica, South America from Colombia to n Brazil.
Discussion
Thelypteris kunthii occasionally hybridizes with T. augescens and T. ovata in Florida; hybrids with T. hispidula may also occur.
Selected References
None.