Dryopteris campyloptera

(Kunze) Clarkson

Amer. Fern J. 20: 118. 1930.

Common names: Mountain wood fern eastern spreading wood fern dryoptère arquée
Endemic
Basionym: Aspidium campylopterum Kunze Amer. J. Sci. Arts, ser. 2, 6: 84. 1848
Synonyms: Dryopteris austriaca (Jacquin) Schinz & Thellung Dryopteris spinulosa var. americana (Fischer ex Kunze) Fernald Dryopteris spinulosa var. concordiana (Davenport) Eastman
Treatment appears in FNA Volume 2.

Leaves monomorphic, dying back in winter, 25–90 × 15–30 cm. Petiole 1/3 length of leaf, scaly at least at base; scales scattered, brown, sometimes with darker patch at base. Blade light green, deltate-ovate, 3-pinnate-pinnatifid, herbaceous, not glandular. Pinnae in plane of blade, lanceolate; basal pinnae deltate to broadly lanceolate, not reduced, basal pinnules equal to adjacent pinnules, basal basiscopic pinnule much longer and 2 times width of basal acroscopic pinnule (only in this species); pinnule margins toothed, teeth spine-tipped. Sori midway between midvein and margin of segments. Indusia usually lacking glands. 2n = 164.


Habitat: Cool, moist woods at increasing elevation southward, frequently only at summits of mountains
Elevation: 0–1500 m

Distribution

V2 79-distribution-map.gif

N.B., Nfld. and Labr. (Nfld.), N.S., P.E.I., Que., Conn., Maine, Md., Mass., N.H., N.Y., N.C., R.I., Tenn., Vt., Va., W.Va.

Discussion

Selected References

None.

Lower Taxa

None.

"not" is not a number. "swollen" is not a number."/3lengthofleaf" is not declared as a valid unit of measurement for this property."timeswidthofbasalacroscopicpinnule" is not declared as a valid unit of measurement for this property.

... more about "Dryopteris campyloptera"
pinnatifid +
James D. Montgomery +  and Warren H. Wagner Jr. +
(Kunze) Clarkson +
not reduced +
Aspidium campylopterum +
simple to commonly +
light green +
3-pinnate-pinnatifid;deltate-ovate +
reduced +
leathery;herbaceous to somewhat +
roundish +
Mountain wood fern +, eastern spreading wood fern +  and dryoptère arquée +
N.B. +, Nfld. and Labr. (Nfld.) +, N.S. +, P.E.I. +, Que. +, Conn. +, Maine +, Md. +, Mass. +, N.H. +, N.Y. +, N.C. +, R.I. +, Tenn. +, Vt. +, Va. +  and W.Va. +
0–1500 m +
often +  and glabrous +
Cool, moist woods at increasing elevation southward, frequently only at summits of mountains +
caducous +  and persistent +
round-reniform +
monomorphic +
25 cm250 mm <br />0.25 m <br /> (90 cm900 mm <br />0.9 m <br />) +
15 cm150 mm <br />0.15 m <br /> (30 cm300 mm <br />0.3 m <br />) +
1/4 +  and 2/3 +
not articulate +
not +, spinulose +  and serrate +
sessile +  and petiolulate +
inequilateral +
enlarged +  and reduced +
Amer. Fern J. +
round +, cuplike +, hoodlike +, reniform +, falcate +  and linear +
2 +  and 3 +
darker patch;brown +
persistent +
linear;ovate +
discrete +
reniform +  and oblong +
dictyostelic +, unbranched +  and branched +
short-creeping +  and erect +
Dryopteris austriaca +, Dryopteris spinulosa var. americana +  and Dryopteris spinulosa var. concordiana +
Dryopteris campyloptera +
Dryopteris +
species +
anastomosing +  and simple +
epiphytic +  and hemiepiphytic +