Difference between revisions of "Diplazium pycnocarpon"
Index N. Amer. Ferns 60. 1938.
Common names: Narrow-leaved glade fern narrow-leaved-spleenwort glade fern diplazie à sores denses
Basionym: Asplenium pycnocarpon Sprengel
Synonyms: Athyrium pycnocarpon (Sprengel) TidestromHomalosorus pycnocarpos (Sprengel) Pichi-Sermolli
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| − | --><span class="statement" id="st- | + | --><span class="statement" id="st-undefined" data-properties=""><b>Stems </b>creeping; scales brown, broadly lanceolate, margins entire. <b>Petiole</b> 15–40(–50) cm. <b>Blade</b> oblong-lanceolate, 1-pinnate, 30–75 × 8–25 cm, ± narrowed to base with reduced proximal pinnae, broadest above base, abruptly acuminate to apex. <b>Pinnae</b> linear, ± entire to shallowly crenulate, base truncate or acroscopically auriculate, apex acuminate. <b>Veins</b> usually 1–2-forked, nearly reaching sinuses between crenations. <b>Sori</b> elongate, straight or slightly falcate, single or rarely double; indusia vaulted, ± thick. <b>2n</b> = 80.</span><!-- |
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Revision as of 13:22, 27 July 2019
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
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).
Selected References
None.
Lower Taxa
None.