Pteridium aquilinum var. caudatum

(Linnaeus) Sadebeck

Jahrb. Hamburg. Wiss. Anst. Beih. 3: 5. 1897

Common names: Lacy bracken
Basionyms: Pteris caudata (Linnaeus) Maxon Sp. Pl. 2: 1075. 1753
Synonyms: Pteridium caudatum unknown
Treatment appears in FNA Volume 2.
Click plate for higher resolution version.
Illustrator: John Myers
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

V2 511-distribution-map.gif

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.

References

None.

Lower Taxa

No lower taxa listed.

AuthorCarol A. Jacobs + and James H. Peck +
Authority(Linnaeus) Sadebeck +
BasionymsPteris caudata +
Common nameLacy bracken +
DistributionFla. +, Mexico +, West Indies +, Bermuda +, Central America + and South America from Colombia to Peru. +
Elevation0 m +
HabitatIn barrens, pine woodlands, and edges of deciduous woods in strongly acid to circumneutral soil, forming large colonies in exposed sites +
IllustratorJohn Myers +
Publication titleJahrb. Hamburg. Wiss. Anst. Beih. +
Publication year1897 +
ReferenceNone +
Source xmlhttps://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f6b125a955440c0872999024f038d74684f65921/coarse grained fna xml/V2/V2 511.xml +
SynonymsPteridium caudatum +
Taxon familyDennstaedtiaceae +
Taxon namePteridium aquilinum var. caudatum +
Taxon parentPteridium aquilinum +
Taxon rankvariety +
VolumeVolume 2 +