Northeastern Asian Flora
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Youngia japonica (L.) DC.   (redirected from: Chondrilla japonica (L.) Lam.)
Family: Asteraceae
[Chondrilla japonica (L.) Lam., moreChondrilla multiflora Poir., Crepis formosana Hayata, Crepis japonica subsp. genuina Hochr., Crepis japonica var. genuina Hochr., Crepis taquetii (H.Lev. & Vaniot) H.Lev., Ixeris lyrata Miq., Lactuca napifolia DC., Lactuca taquetii H.L?. & Vaniot, Lactuca taraxacum H.L?. & Vaniot, Prenanthes fastigiata Blume, Prenanthes japonica L., Prenanthes multiflora Thunb., Prenanthes striata Blume, Youngia ambigua DC., Youngia fastigiata (Blume) DC., Youngia formosana (Hayata) Hara, Youngia gracilis Miq., Youngia integrifolia Cass., Youngia japonica subsp. formosana (Hayata) Kitam., Youngia japonica subsp. genuina (Hochr.) Bab. & Stebbins, Youngia japonica subsp. longiflora Babc. & Stebbins, Youngia japonica var. formosana (Hayata) H.L.Li, Youngia mauritiana DC., Youngia multiflora (Thunb.) DC., Youngia napifera DC. ex Wight, Youngia napifolia DC., Youngia paosa Steud., Youngia poosia DC., Youngia runcinata DC., Youngia striata (Blume) DC.]
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  • Japan Flora
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Japan Flora: Pubescent biennial; stems erect, often branched at base, 20-80 cm. long, naked or with 1-3 leaves; radical leaves tufted, oblanceolate, acute, narrowed to a petiolelike base, pinnately parted, loosely mucronate­toothed, the terminal segment largest, deltoid-ovate; heads 7-8 mm. across, many, in terminal corymbose panicles, yellow; involucres 5-6 nun. long, the inner bracts about 8, the outer much smaller, ovate; achenes about 1.8 mm. long, gradually narrowed at the tip, brown, with slender scabcrul에s ribs; pappus white, ab이it 3 mm. long, persistent    May-June. Waste grounds, cultivated fields, and roadsides; Hokkaido, Honshu, Shikoku, Kyushu; very common.

Ryukyus, For­mosa, China, India, Polynesia, and Australia.

Youngia 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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