Comments
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Emilia sonchifolia is a pantropical weed of Asiatic origin and should be expected as an occasional escape in the flora. D. H. Nicolson (1980) treated the eastern Asian representatives of E. sonchifolia, which have corolla lobes 1.1–1.5 mm, as E. sonchifolia var. javanica (Burman f.) Mattfeld. In the flora, plants of E. sonchifolia have corolla lobes 0.5–0.8 mm and are treated as var. sonchifolia. See Nicolson (p. 398) for discussion of nomenclatural attribution.
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Description
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Plants 20–80 cm, glabrous or ± villous. Stems 1, erect or somewhat lax, simple or branched. Leaves mostly in proximal 1 / 2 ; usually petiolate; blades ovate to obovate or oblanceolate, mostly 5–12 × 1.5–4.5 cm (distal smaller, bractlike), margins often deeply lobed to lyrate-pinnatifid. Involucres urceolate to campanulate, 9–12 mm, relatively slender, lengths mostly 3–4 times diams. Phyllaries usually 8. Florets 15–30[–40], surpassing involucres by 0–1(–2) mm; corollas usually lavender, pinkish, or purplish, rarely reddish, lobes 0.5–0.7[–1.5] mm; style appendages 0–0.1 mm. 2n = 10.
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Distribution
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Tropical and subtropical regions of Asia and Africa.
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Synonym
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Cacalia sonchifolia Linnaeus, Sp. Pl. 2: 835. 1753
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA