Named for John George Champion, English botanist, who collected in Hong Kong in the mid-1800s.
Rhizome: erect, massive, bearing several fronds in a tuft, scaly.
Frond: 90 cm high by 20 cm wide, evergreen, remains upright in winter, monomorphic, blade/stipe ratio: 3:2.
Stipe: straw-colored to brown, scales coppery to dark brown, more or less shining, bright, membranous, subtriangular-lanceolate to linear, 0.8--2 cm long, gradually narrowing towards filamentous tails; scales at stipe base to 2 cm long, vascular bundles: 3-7 in a c-shaped pattern.
Blade: 2-pinnate, ovate to oblong-ovate, acuminate at apex, leathery, glossy, scales on rachis dense, similar to those on stipes but smaller and darker.
Pinnae: 12 to 14 pair, basal pair anadromous; pinnules ovate to oblong-ovate, round to moderately acute at apex, auricled and shallowly cordate at base; costae grooved above, continuous from rachis to costae; veins free, forked.
Sori: round, submarginal to medial on pinnules, dispersed evenly on laminar surface, indusium: reniform, at a sinus, sporangia: brownish, maturity: late fall.
Habitat: dry floor of forests, foot of lower mountains.
Distribution: Japan, Korea and China.
Hardy to -25°C, USDA Zone 5.
Aspidium championi Benth
Dryopteris pseudo-erythrosora Kodama
Illustration from The Cultivated Species of the Fern Genus Dryopteris in the United States, Barbara Joe Hoshizaki and Kenneth A. Wilson, American Fern Journal, 89, 1, (1999), with permission.