![]() ![]() ![]() This species has been shown to contain high levels of flavonoids, a type of phytochemical compound. In recent research, the Autumn fern has been found to be useful in the medical field. erythrosora 'Brilliance' have gained the Royal Horticultural Society's Award of Garden Merit. It is raised as an ornamental plant in gardens because of its color change in the foliage, which change from dark red to dark green, but not very often. Propagation is by division in spring, separating the small crowns from the larger crowns, or by spores. Cultivation ĭryopteris erythrosora can tolerate a drier soil than many ferns, but is most successful in moist, humus-rich soil, with a pH range of 6.1 to 7.5, with morning or late afternoon sunshine but not during the middle of the day. The spores, which are kidney-shaped, become ripe between summer and autumn. There can also be several leaf outlets per year. When budding, the young fronds are coppery red and later green. The leaf stalks are about a third as long as the leaf, striated, yellow to red, with linear to lancet-shaped brown scales, containing two large and several small vascular bundles in a cross-sectional drawing. The individual leaflets are narrow lanceolate. The leaves are funnel-shaped with the top ones being leathery shiny, divided twice, triangular in shape and pointy. It has an upright to down-lying rhizome which is thick and branched, so that it forms several crowns. The fronds have a coppery tint when young, but mature to dark green. It is semi-evergreen (in cooler climates), with bipinnate fronds 30–70 cm (12–28 in) tall by 15–35 cm (6–14 in) broad, with 8–20 pairs of pinnae. ![]() The specific epithet may really be a reference to the red indusia, which cover the sori. So erythrosora literally means red heap, referring to the red sori on the undersides of the pinnules. The specific epithet, erythrosora, is derived from two Ancient Greek words, ἐρυθρός ( eruthrós) meaning red, and σωρός ( sōrós) meaning heap. Cultural Conditions: Light: Dappled Sunlight (Shade through upper canopy all day) Deep shade (Less than 2 hours to no direct sunlight) Partial Shade (Direct sunlight only part of the day, 2-6 hours) Soil Texture: Clay High Organic Matter Loam (Silt) Soil pH: Acid ( 6 inches Leaf Width: > 6 inches Leaf Description: Young fronds are glossy, coppery pink mature fronds are deep, glossy green fronds are broad, triangular and bipinnate segments have curved teeth small scales on undersurface of midvein and pinna rachises remains erect in winter bright red indusia covering young sori.Dryopteris erythrosora, the autumn fern or Japanese shield fern, is a species of fern in the family Dryopteridaceae, native to east Asia from China and Japan south to the Philippines, growing in light woodland shade on low mountains or hills.Whole Plant Traits: Plant Type: Fern Ground Cover Perennial Woody Plant Leaf Characteristics: Broadleaf Evergreen Semi-evergreen Habit/Form: Arching Clumping Vase Growth Rate: Slow Maintenance: Low Texture: Fine.Eastern Asia Particularly Resistant To (Insects/Diseases/Other Problems): Heavy shade, This plant is seldom damaged by deer. Attributes: Genus: Dryopteris Species: erythrosora Family: Polypodiaceae Life Cycle: Perennial Country Or Region Of Origin: China to Temp.Tags: #evergreen #houseplant #drought tolerant #slow growing #shade garden #colorful leaves #fern #low maintenance #winter interest #rabbit resistant #mass planting #dappled shade #deer resistant #rhizomes #dry soils tolerant #partial shade tolerant #HS302 #heavy shade tolerant #stormwater demo garden orange co #container plant #dry shade #buncombe county sun and shade garden Profile Video: See this plant in the following landscapes: Collector’s Garden Shade Border Part Shade Garden Sun and Shade Demonstration Garden, Buncombe County Small Shade Garden Shaded Patio Garden Cultivars / Varieties: VIDEO Created by NC State Extension's Homegrown series featuring Mark Weathington, Director of JC Raulston Arboretum. Insects, Diseases, and Other Plant Problems: No serious problems. It is a low maintenance fern that withstands full shade is resistant to browsing by rabbits. Plants will spread slowly over time through underground creeping rhizomes. Grown in acidic high organic matter soils that stay moist. They form an arching vase-shaped clump reaching a mature size of 2' tall and 2' wide. Japanese Shield Fern is a small fern native to eastern Asia. Phonetic Spelling dry-OP-ter-iss er-rith-roh-SOR-uh Description ![]()
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