Difference between revisions of "Pteridium aquilinum var. caudatum"
Jahrb. Hamburg. Wiss. Anst. Beih. 3: 5. 1897.
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|common_names=Lacy bracken | |common_names=Lacy bracken | ||
| + | |special_status={{Treatment/ID/Special_status | ||
| + | |code=F | ||
| + | |label=Illustrated | ||
| + | }} | ||
|basionyms={{Treatment/ID/Basionym | |basionyms={{Treatment/ID/Basionym | ||
|name=Pteris caudata | |name=Pteris caudata | ||
|authority=(Linnaeus) Maxon | |authority=(Linnaeus) Maxon | ||
| + | |rank=species | ||
|publication_title=Sp. Pl. | |publication_title=Sp. Pl. | ||
|publication_place=2: 1075. 1753 | |publication_place=2: 1075. 1753 | ||
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|synonyms={{Treatment/ID/Synonym | |synonyms={{Treatment/ID/Synonym | ||
|name=Pteridium caudatum | |name=Pteridium caudatum | ||
| − | |authority= | + | |authority= |
| + | |rank=species | ||
}} | }} | ||
|hierarchy=Dennstaedtiaceae;Pteridium;Pteridium aquilinum;Pteridium aquilinum var. caudatum | |hierarchy=Dennstaedtiaceae;Pteridium;Pteridium aquilinum;Pteridium aquilinum var. caudatum | ||
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name=Pteridium aquilinum var. caudatum | name=Pteridium aquilinum var. caudatum | ||
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|authority=(Linnaeus) Sadebeck | |authority=(Linnaeus) Sadebeck | ||
|rank=variety | |rank=variety | ||
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|publication title=Jahrb. Hamburg. Wiss. Anst. Beih. | |publication title=Jahrb. Hamburg. Wiss. Anst. Beih. | ||
|publication year=1897 | |publication year=1897 | ||
| − | |special status= | + | |special status=Illustrated |
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V2/V2_511.xml |
|genus=Pteridium | |genus=Pteridium | ||
|species=Pteridium aquilinum | |species=Pteridium aquilinum | ||
Latest revision as of 20:23, 5 November 2020
Petiole 20–75 cm. Blade broadly ovate to deltate, 2–3-pinnate-pinnatifid, 30–100 × 20–80 cm; blades, rachises, and costae usually densely covered abaxially with abundant, straight, stiff, subappressed to spreading hairs. Pinnae all narrowly to broadly triangular; terminal segment of each pinna ca. 10 times longer than wide, longer ultimate segments several times their width apart, ca. 1–2.5 mm wide. Pinnules at nearly 90° angle to costa; fertile ultimate segments only decurrent, or more decurrent than surcurrent. Outer indusia entire, glabrous.
Habitat: In barrens, pine woodlands, and edges of deciduous woods in strongly acid to circumneutral soil, forming large colonies in exposed sites
Elevation: 0 m
Distribution
Fla., Mexico, West Indies, Bermuda, Central America, South America from Colombia to Peru.
Discussion
In Florida and West Indies material, the abaxial surfaces are quite hairy; in Central American material they are often much less hairy.
Selected References
None.