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Deparia petersenii  

No occurrences found

Family: Athyriaceae
Petersen's-Spleenwort
[Athyriopsis japonica (Thunb. ex Murray) Ching, moreAthyriopsis japonicum auct. non (Thunb.) Ching, orth. var., Athyrium japonicum (Thunb. ex Murray) Copel., Deparia petersonii (Kunze) M. Kato, database artifact, Diplazium japonicum (Thunb. ex Murray) Bedd.]
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Masahiro Kato in Flora of North America (vol. 2)
Stems creeping. Petiole dark brown or blackish at base, straw-colored distally, 10--30 cm, not swollen, teeth absent; scales pale brown, linear-lanceolate. Blade ovate-lanceolate, deeply pinnate-pinnatifid, 15--40 × 6--28 cm, moderately or slightly narrowed to base, broadest above base, abruptly narrowed to acuminate, pinnatifid apex. Pinnae oblong to linear-lanceolate, base ± truncate or broadly cuneate, apex acuminate to caudate; segments oblong, margins ± entire to serrate, apex obtuse or ± acute. Costae and veins with multicellular hairs. Veins pinnate, lateral veins usually simple, or sometimes forked in larger leaves. Sori elongate, straight or rarely hooked; indusia membraneous, margins laciniate. Moist ravines, lowlands; 0--100 m; introduced; Ala., Fla., Ga.; Asia; Pacific Islands; Australia. Deparia petersenii belongs to sect. Athyriopsis . It is an edible fern native to southeastern Asia, and it persists or escapes from cultivation in southeastern North America (C. V. Morton and R. K. Godfrey 1958) but does not seem to be truly naturalized (O. Lakela and R. W. Long 1976). Specimens of D . petersenii from North America are often misidentified as the Asian species, Deparia japonica (Thunberg) M. Kato [ Diplazium japonicum (Thunberg) Beddome].

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