Northeastern Asian Flora
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Lactuca indica L.  
Family: Asteraceae
[Brachyramphus sinicus Miq., moreChondrilla squarrosa (Thunb.) Poir., Lactuca amurensis Regel & Maxim., Lactuca bialata Griff., Lactuca brevirostris Champ. ex Benth., Lactuca brevirostris var. foliis laciniatisHemsl., Lactuca brevirostris var. foliisindivisis Hemsl., Lactuca cavaleriei H.L?., Lactuca dracoglossa Makino, Lactuca hoatiensis H.L?., Lactuca indica f. indivisa (Maxim.) H.Hara, Lactuca indica var. dentata (Kom.) Chu, Lactuca indica var. foliis laciniatis(Hemsl.) Ling, Lactuca indica var. foliisindivisis (Hemsl.) Ling, Lactuca indica var. indivisa (Makino) Hatus., Lactuca indica var. laciniata (Houtt.) H.Hara, Lactuca kouyangensis H.L?., Lactuca laciniata (Houtt.) Makino, Lactuca laciniata f. indivisa Makino, Lactuca mauritiana Poir., Lactuca squarosa (Thunb.) Miq., Lactuca squarosa var. laciniata (Houtt.) Kuntze, Prenanthes indica (L.) C.Shih, Prenanthes laciniata Houtt., Prenanthes squarosa Thunb., Prenanthes squarrosa Thunb., Pterocypsela indica (L.) C.Shih, Pterocypsela indivisa (Makino) H.S.Pak, Pterocypsela laciniata (Houtt.) C.Shih]
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  • Japan Flora
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Japan Flora: Large glabrous annual or biennial; stems erect, stout, usually simple or branched toward the top, 80- 150 cm. long; leaves lanceolate or narrowly oblong in outline, 10-30 cm. long, acuminate, usually pinnately incised or parted, glaucous beneath; upper leaves usually entire, small; inflores­cence a narrow cylindrical panicle 20-40 cm. long; heads about 2 cm. across, pale yellow; involucres 12-15 mm. long, the inner bracts about 8; achenes about 5 mm. long inclusive of a very short beak, 2.5 mm. wide, Lribbed on each side; pappus white, 7-8 mm. long.   Sept-Nov. Grassy places in low­ lands.

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

f. indivisa (Makino) H.Hara. Leaves undivided, narrowly to broadly lanceolate. 

var. dracoglossa (Makino) Kitam. Leaves large, entire. Cultivated.

Lactuca indica
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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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