Difference between revisions of "Pteridium aquilinum var. pseudocaudatum"
Cat. N. Amer. Pl. ed. 2 12. 1900.
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− | --><span class="statement" id="st- | + | --><span class="statement" id="st-undefined" data-properties=""><b>Petiole </b>10–70 cm. <b>Blade</b> broadly triangular to sometimes ovate, 2–3-pinnate-pinnatifid at base, 20–80 × 20–70 cm; blades, rachises, and costae sparsely pilose to glabrous abaxially. <b>Pinnae</b> (proximal) ovate-lanceolate or triangular, distal pinnae oblong; terminal segment of each pinna ca. 6–15 times longer than wide, longer ultimate segments 1–2 times their width apart, ca. 2–5 mm wide. <b>Pinnules</b> at 45–60° angle to costa; fertile ultimate segments adnate or equally decurrent and surcurrent. <b>Outer</b> indusia entire to somewhat erose, glabrous.</span><!-- |
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|publication year=1900 | |publication year=1900 | ||
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|genus=Pteridium | |genus=Pteridium | ||
|species=Pteridium aquilinum | |species=Pteridium aquilinum | ||
|variety=Pteridium aquilinum var. pseudocaudatum | |variety=Pteridium aquilinum var. pseudocaudatum | ||
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Revision as of 14:19, 27 July 2019
Petiole 10–70 cm. Blade broadly triangular to sometimes ovate, 2–3-pinnate-pinnatifid at base, 20–80 × 20–70 cm; blades, rachises, and costae sparsely pilose to glabrous abaxially. Pinnae (proximal) ovate-lanceolate or triangular, distal pinnae oblong; terminal segment of each pinna ca. 6–15 times longer than wide, longer ultimate segments 1–2 times their width apart, ca. 2–5 mm wide. Pinnules at 45–60° angle to costa; fertile ultimate segments adnate or equally decurrent and surcurrent. Outer indusia entire to somewhat erose, glabrous.
Habitat: In barrens and open pine or oak woods in acid, often sandy soil, abundant, forming large colonies
Elevation: 0–1000 m
Distribution
![V2 424-distribution-map.gif](/w/images/a/a2/V2_424-distribution-map.gif)
Ala., Ark., Conn., Del., D.C., Fla., Ga., Ill., Ind., Ky., La., Md., Mass., Miss., Mo., N.J., N.Y., N.C., Ohio, Okla., Pa., S.C., Tenn., Tex., Va., W.Va.
Discussion
Pteridium aquilinum var. pseudocaudatum is more common in the southern portion of the range.
Selected References
None.