Difference between revisions of "Diplazium pycnocarpon"

(Sprengel) M. Broun

Index N. Amer. Ferns 60. 1938

Common names: Narrow-leaved glade fern narrow-leaved-spleenwort glade fern diplazie à sores denses
Basionyms: Asplenium pycnocarpon Sprengel
Synonyms: Athyrium pycnocarpon (Sprengel) TidestromHomalosorus pycnocarpos (Sprengel) Pichi-Sermolli
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Revision as of 16:12, 12 August 2019

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Illustrator: John Myers
Stems creeping; scales brown, broadly lanceolate, margins entire. Petiole 15–40(–50) cm. Blade oblong-lanceolate, 1-pinnate, 30–75 × 8–25 cm, ± narrowed to base with reduced proximal pinnae, broadest above base, abruptly acuminate to apex. Pinnae linear, ± entire to shallowly crenulate, base truncate or acroscopically auriculate, apex acuminate. Veins usually 1–2-forked, nearly reaching sinuses between crenations. Sori elongate, straight or slightly falcate, single or rarely double; indusia vaulted, ± thick. 2n = 80.

Habitat: Moist woods and slopes in neutral soil
Elevation: 150–1000 m

Distribution

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Ont., Que., Ala., Ark., Conn., Del., D.C., Fla., Ga., Ill., Ind., Iowa, Kans., Ky., La., Md., Mass., Mich., Minn., Miss., Mo., N.H., N.J., N.Y., N.C., Ohio, Pa., R.I., S.C., Tenn., Vt., Va., W.Va., Wis.

Discussion

Diplazium pycnocarpon has commonly been placed in Athyrium, but it is closely related to the east Malesian Diplazium flavoviride Alston (M. Kato and D. Darnaedi 1988).

References

None.

Lower Taxa

No lower taxa listed.