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Magnoliopsida
Emilia fosbergii Nicolson
EOL Text
Emilia fosbergii is a species of plants in the sunflower family.[1][2][3]
Emilia fosbergii is widely distributed in tropical and semitropical parts of the world: Africa, South and Southeast Asia, northern Australia, North and South America, and various oceanic islands. Its region of origin is the subject of some dispute; some say it is native to Africa, while others say Asia or South America.[4][5][6]
Within the United States, it is known from Florida, Georgia, Alabama, Louisiana, Texas, California, Hawaii, Puerto Rico, and the Virgin Islands.[4][7]
Common name for the species in the United States is Florida tasselflower.[8]
References[edit]
- ^ Nicolson, Dan Henry 1975. Phytologia 32(1): 34
- ^ Tropicos, Emilia fosbergii Nicolson
- ^ Nicolson, D. H. 1980. A summary of cytological information on Emilia and the taxonomy of four Pacific taxa of Emilia (Asteraceae: Senecioneae). Systematic Botany 5: 391–407.
- ^ a b Flann, C (ed) 2009+ Global Compositae Checklist
- ^ Flora of North America, Florida tasselflower, Emilia fosbergii Nicolson, Phytologia. 32: 34. 1975.
- ^ Flora of China Vol. 20-21 Page 543 缨荣花 ying rong hua Emilia fosbergii Nicolson, Phytologia. 32: 34. 1975.
- ^ Biota of North America Program 2013 county distribution map
- ^ Natural Resources Conservation Service (NRCS). "PLANTS Profile, Emilia fosbergii". The PLANTS Database. United States Department of Agriculture. Retrieved 2008-05-21.
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Emilia fosbergii is a tropical Asian weed that has become established in the flora; it may be expected elsewhere as an occasional escape. It is the more frequently collected Emilia in the flora. Names misapplied to plants of E. fosbergii include E. javanica (Burman f.) C. B. Robinson and E. sagittata Willdenow.
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| Rights holder/Author | eFloras.org Copyright © Missouri Botanical Garden |
| Source | http://www.efloras.org/florataxon.aspx?flora_id=1&taxon_id=242426457 |
Annuals, 20–100 cm, glabrous or sparsely arachnoid-villous proximally. Stems 1, often somewhat lax, simple or branched. Leaves ± equally distributed; sessile and auriculate to winged-petiolate and clasping; blades oblanceolate to pandurate, mostly 5–10 × 3–5 cm (distal smaller, bractlike), margins entire, toothed, or weakly lobed. Involucres campanulate to cylindric, 9–14 mm, relatively thick, lengths 1.5–2(–3) times diams. Phyllaries usually 8 or 13. Florets usually 50–60+, surpassing involucres by 2–4 mm; corollas pinkish, purplish, or reddish (not orange), lobes mostly 1–1.7 mm; style appendages ca. 0.2 mm. 2n = 20.
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| Rights holder/Author | eFloras.org Copyright © Missouri Botanical Garden |
| Source | http://www.efloras.org/florataxon.aspx?flora_id=1&taxon_id=242426457 |
United States
Origin: Exotic
Regularity: Regularly occurring
Currently: Unknown/Undetermined
Confidence: Confident
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| Rights holder/Author | NatureServe |
| Source | http://explorer.natureserve.org/servlet/NatureServe?searchName=Emilia+fosbergii |
Hierba.
Hierba entre 0,15 y 0,6 cm. de altura. Tallitos y hojas glabrados a pilosos, principalmente en partes inferiores.
Hojas entre 2 y 15 cm. de largo y entre 0,4 y 5,5 cm. de ancho, inferiores de espatuladas a lobado-espatuladas, aunque no más 2 pares de lobos hacia la base, peciolos alados y casi no diferenciables de la lámina; superiores de lanceoladas a panduriformes, peciolos obsoletos, auriculado-abrazadoras. Inflorescencias cimosas. Cabezuelas discoides, con brácteas involucrales de 8 a 11, entre 5 y 12 mm. de largo, de glabradas a esparcido pubescentes; receptáculo entre 2 y 5 mm. Flores entre 6 y 12 mm. de largo, excediendo 2,5 a 3,5 mm. el involucro, de rojas a rosadas, lobos entre 0,6 y 2,75 mm. de largo. Aquenios entre 2,5 y 4 mm. de largo, esparcido y antrorso pubescentes; vilano entre 4 y 9 mm., de 2 a 4 mm. más cortos que las flores. Emilia fosbergii se reconoce por ser una hierba anual, con hojas alternas, a veces con el margen lirado-pinnatífido, sésiles, amplexicaules en ocasiones inferiores y superiores bimórficas; además, por sus cabezuelas discoides, flores con un tubo alargadas, receptáculo desnudo y por su involucro compuesto de una serie de brácteas involucrales connadas hacia la base.Isotype for Emilia fosbergii Nicolson
Catalog Number: US 962186
Collection: Smithsonian Institution, National Museum of Natural History, Department of Botany
Verification Degree: Original publication and alleged type specimen examined
Preparation: Pressed specimen
Collector(s): A. H. Curtiss
Year Collected: 1902
Locality: Near Nassau, N.P., Bahamas., New Providence Island, Bahamas, West Indies
- Isotype: Nicolson, D. H. 1975. Phytologia. 32: 34.
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| Rights holder/Author | This image was obtained from the Smithsonian Institution. Unless otherwise noted, this image or its contents may be protected by international copyright laws. |
| Source | http://collections.mnh.si.edu/search/botany/?irn=10083311 |
Holotype for Emilia fosbergii Nicolson
Catalog Number: US 428506
Collection: Smithsonian Institution, National Museum of Natural History, Department of Botany
Verification Degree: Original publication and alleged type specimen examined
Preparation: Pressed specimen
Collector(s): A. H. Curtiss
Year Collected: 1902
Locality: Near Nassau., New Providence Island, Bahamas, West Indies
- Holotype: Nicolson, D. H. 1975. Phytologia. 32: 34.
| License | http://creativecommons.org/licenses/by/3.0/ |
| Rights holder/Author | This image was obtained from the Smithsonian Institution. Unless otherwise noted, this image or its contents may be protected by international copyright laws. |
| Source | http://collections.mnh.si.edu/search/botany/?irn=2102691 |
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Bosques secos, húmedos y nubosos.