Northeastern Asian Flora
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Sonchus oleraceus L.   (redirected from: Sonchus fabrae Sennen)
Family: Asteraceae
[Sonchus ciliatus Lam., moreSonchus fabrae Sennen, Sonchus laevis Vill, Sonchus longifolius Trevir., Sonchus royleanus DC., Sonchus schmidianus K.Koch, Sonchus sundaicus Blume]
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  • Japan Flora
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Japan Flora: Nearly glabrous annual or biennial; stems stout, 50-100 cm. long, often branched, hollow; lower leaves oblong-lanceolate, 15-50 cm. long, 5-8 cm. wide, winged- pctiolate, pinnately parted to divided, irregularly spine- toothed ; median leaves sessile, auriculatoclasping; heads about 2 cm. across, umbelliform, yellow, the peduncles glandular- hairy; involucres 1.2-1.5 cm. long; achcncs narrowly obovate, 2.5-3 mm. long, with scabcrulous ribs; pappus about 6 mm. long. May-Aug. Waste grounds and roadsides in low­lands.

Hokkaido, Honshu, Shikoku, Kyushu; common. Sakhalin, Korea, Formosa, Ryukyus, Europe, and N. America.

Sonchus oleraceus
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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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