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Creatures » … » Plants » … » Dicotyledons » … » Composite Family » …

Florida Tasselflower

Emilia fosbergii D. H. Nicolson

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show all BioImages, the virtual fieldguide, UK eFloras Flora of Zimbabwe wikipedia EN

Associations

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In Great Britain and/or Ireland:
Foodplant / parasite
cluster-cup of aecium of Puccinia lagenophorae parasitises live stem of Emilia coccinea

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Comments

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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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Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
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Flora of North America Vol. 20: 605, 606, 607 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
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Description

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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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Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
bibliographic citation
Flora of North America Vol. 20: 605, 606, 607 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
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Flora of North America @ eFloras.org
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Derivation of specific name

provided by Flora of Zimbabwe
coccinea: scarlet, although the flowers can often be bright orange
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Mark Hyde, Bart Wursten and Petra Ballings
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Hyde, M.A., Wursten, B.T. and Ballings, P. (2002-2014). Emilia coccinea (Sims) G. Don Flora of Zimbabwe website. Accessed 28 August 2014 at http://www.zimbabweflora.co.zw/speciesdata/species.php?species_id=161520
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Mark Hyde
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Bart Wursten
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Petra Ballings
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Description

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Erect glaucous annual herb to 1 m. Stems and leaves slightly succulent, often purplish, especially below. Leaves sessile: lamina up to 20 × 6 cm, lanceolate to oblong, sparsely hairy and glabrescent; base amplexicaul; apex acute; margin with scattered minute teeth. Calyculus 0. Capitula c. 12 mm across (including the rays), orange or red; base 3-5 mm across. Phyllaries 9 mm, c. 8-9, equal in 1 series. Rays 0.
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Mark Hyde, Bart Wursten and Petra Ballings
bibliographic citation
Hyde, M.A., Wursten, B.T. and Ballings, P. (2002-2014). Emilia coccinea (Sims) G. Don Flora of Zimbabwe website. Accessed 28 August 2014 at http://www.zimbabweflora.co.zw/speciesdata/species.php?species_id=161520
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Mark Hyde
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Bart Wursten
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Petra Ballings
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Frequency

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Frequent
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Mark Hyde, Bart Wursten and Petra Ballings
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Hyde, M.A., Wursten, B.T. and Ballings, P. (2002-2014). Emilia coccinea (Sims) G. Don Flora of Zimbabwe website. Accessed 28 August 2014 at http://www.zimbabweflora.co.zw/speciesdata/species.php?species_id=161520
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Mark Hyde
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Bart Wursten
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Petra Ballings
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Flora of Zimbabwe

Emilia fosbergii

provided by wikipedia EN

Emilia fosbergii is a species of plant in the sunflower family.[1][2][3] It is commonly known in the United States as Florida tasselflower.[4]

Taxonomy

Emilia fosbergii has been collected in many places for many years, the specimens regarded as belonging to E. coccinia, E. sagittata, or E. javanica. A reexamination of a large number of specimens led Nicolson to recognize it as a distinct species in 1975. He named the species in honor of Francis Raymond Fosberg.[5]

Distribution

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.[6][7][8] It is reportedly naturalized in scattered locations in the United States, including Puerto Rico, and the Virgin Islands.[6][9]

Description

Emilia fosbergii is an annual herb, growing up to 100 cm (40 inches) tall. It generally has only one central stem, sometimes branching but other times not. Each flower head can contain more than 60 pink, purple, or red disc florets, however, no ray florets are present.[10]

References

  1. ^ Nicolson, Dan Henry 1975. Phytologia 32(1): 34
  2. ^ Tropicos, Emilia fosbergii Nicolson
  3. ^ 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.
  4. ^ Natural Resources Conservation Service (NRCS). "PLANTS Profile, Emilia fosbergii". The PLANTS Database. United States Department of Agriculture. Retrieved 2008-05-21.
  5. ^ Nicolson, Dan Henry 1975. Phytologia 32(1): 33-34
  6. ^ a b "Flann, C (ed) 2009+ Global Compositae Checklist". Archived from the original on 2014-11-20. Retrieved 2014-11-20.
  7. ^ Flora of North America, Florida tasselflower, Emilia fosbergii Nicolson, Phytologia. 32: 34. 1975.
  8. ^ Flora of China Vol. 20-21 Page 543 缨荣花 ying rong hua Emilia fosbergii Nicolson, Phytologia. 32: 34. 1975.
  9. ^ Biota of North America Program 2013 county distribution map
  10. ^ Flora of North America, Florida tasselflower, Emilia fosbergii Nicolson

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Emilia fosbergii: Brief Summary

provided by wikipedia EN

Emilia fosbergii is a species of plant in the sunflower family. It is commonly known in the United States as Florida tasselflower.

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