Northeastern Asian Flora
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Ixeris japonica (Burm. f.) Nakai   (redirected from: Chondrilla debilis (Thunb.) Poir.)
Family: Asteraceae
[Chondrilla debilis (Thunb.) Poir., moreIxeris debilis (Thunb.) A.Gray, Ixeris debilis f. sinuata Franch. & Sav., Ixeris debilis subsp. litoralis Kitam., Ixeris debilis subsp. liukiuensis Kitam., Ixeris debilis var. salsuginosa (Kitag.) Kitag., Ixeris japonica f. dissecta Nakai, Ixeris japonica f. integra (Kuntze) Nakai, Ixeris japonica subsp. litoralis Kitam., Ixeris japonica subsp. salsuginosa (Kitag.) Kitag., Ixeris japonica var. litoralis (Kitam.) H.L.Li, Ixeris japonica var. salsuginosa (Kitag.) Kitag., Ixeris japonica var. tubiformis Sakata, Lactuca debilis (Thunb.) Benth. ex Maxim., Lactuca debilis f. sinuata (Franch. & Sav.) Kuntze, Lactuca debilis var. integra Kuntze, Lactuca trifida Kitam., Lapsana japonica Burm.f., Prenanthes debilis Thunb., Youngia debilis (Thunb.) DC.]
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  • Japan Flora
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Japan Flora: Perennial herb with slender, creeping, branched, leafy stems; leaves oblanceolate to spathulatc-clliptic,6-20 cm. long inclusive of the petioles, 1.5-3 cm. wide, obtuse to rounded, entire or loosely toothed on the lower half, Iong- pctiolate; scapes 10-30 cm. long, sometimes with a single leaf; heads 1-5, 2.5-3 cm. across, rather many-flowered, pedicel led, yellow; involucres 12-14 mm. long, the inner bracts about 8; achenes about 4 mm. long, narrowly fusiform, deeply sulcate, acutely winged, the beak about 2.5 mm. long; pappus white, about 7 mm. long. May.  Cultivated fields and waste grounds in lowlands.

Hokkaido, Honshu, Shikoku, Kyushu; common. Ryukyus and Korea.

Ixeris 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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