Northeastern Asian Flora
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Fatsia japonica (Thunb.) Decne. & Planch.   (redirected from: Aralia japonica Thunb.)
Family: Araliaceae
[Aralia japonica Thunb., moreAralia sieboldii K.Koch, Dimorphanthus japonicus (Thunb.) Endl., Fatsia japonica var. liukiuensis Hatus. ex H.Ohba, Fatsia japonica var. lobulata Makino]
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  • Korea Flora
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Korea Flora: Evergreen shrub. Winter Buds and Stems: Terminal buds ovate with pointed apex. Flower buds form in summer and bloom in early winter. Branches thick, glabrous. Leaf scars V-shaped with 13-15 vascular bundle scars. Leaves: Alternate, palmately divided into 7-9 segments, 20-40cm in diameter at base, somewhat cordate; segments ovate or ovate-lanceolate, apex acuminate. Both surfaces glabrous; upper surface dark green and glossy, lower surface yellowish-green, margins serrate. Young leaves and inflorescences initially with brown hairs that soon disappear. Petiole terete, 30cm long, glabrous. Flowers: Umbels clustered at branch tips forming panicles (20-40cm × 5-8cm). Flowers 5mm in diameter, white including peduncle, pentamerous, with prominent receptacle. When fruiting 3mm in diameter with distinct sepals. Styles 5, 1.5mm long. Fruit and Seeds: Subglobose, 5mm in diameter, black.

Sporophyte Chromosome Number: 24
Flowering Period: October-November
Fruiting Period: February-March of following year
Distribution: Southern Honshu to Okinawa (Japan); Namhae Island (Mireukdo) and Geoje Island (Maekdo) in Gyeongsangnam-do (Korea)

Fatsia japonica
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Development supported by College of Agriculture and Life Sciences of Seoul
National University and Korea National Arboretum of Korea Forest Service.
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