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Dendranthema parthenium

Interesting Facts

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Description

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Family Compositae

The largest family of flowering plants , the Compositae (Asteraceae), comprising about 1,100 genera and more than 20,000 species and characterized by many small flowers arranged in a head looking like a single flower and subtended by an involucre of bracts. A head may consist of both ray flowers and disk flowers, as in the sunflower, of disk flowers only, as in the burdock, or of ray flowers only, as in the dandelion.

Genus Dendranthema

nial herbs, sometimes basally woody shrublets . Leaves alternate, pinnately shallowly to deeply dissected , lobed or occasionally entire. Capitula radiate , heterogamous, solitary, terminal or few to many and laxly corymbose . Involucre ± saucer-shaped , 3-seriate, phyllaries imbricate, broadly membranous or dark brown margined . Receptacle convex to somewhat conical , ± punctate-tuberculate, epaleate. Ray-florets uniseriate , female, fertile , with white, pink or yellowish ligules. Disc-florets bisexual , yellow, with tubular-conical, glandular , 5-lobed, unwinged corolla tube . Anthers lacking basal appendages , with subtriangular apical appendages. Cypselas homomorphic , obconic-obovoid, 5-8-ribbed, thin-walled, usually with myxogenic cells in rows . Pappus absent.

Species 37, distributed mainly in China, Japan, Korea, Mangolia, Indo-Pakistan subcontinent, Central Asian States and East Europe. Represented in Pakistan by the following species, usually in cultivation but as escape also.[1]

Taxonomy

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Similar Species

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Members of the genus Dendranthema

ZipcodeZoo has pages for 13 species, subspecies, varieties, forms, and cultivars in this genus:

D. arcticum (Arctic Daisy) · D. arcticum polare (Arctic Daisy) · D. cultivars (Striped Drummer) · D. grandiflorum (Florist's Daisy) · D. grandiflorum 'Shamrock' (Garden Mums) · D. indicum (Mother's Daisy) · D. x (Florist's Chrysanthemum) · D. X grandiflorum (Florist's Daisy) · D. x morifolium (Florist's Chrysanthemum) · D. zawadskii'Clara Curtis' (Clara Curtis Chrysanthemum) · D. 'Bolero' (Chrysanthemum) · D. 'Obession' (Chrysanthemum) · D. 'Samba' (Chrysanthemum)

More Info

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Further Reading

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Notes

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Contributors

Identifiers

Footnotes

  1. "Dendranthema". in Flora of Pakistan V. 207 Page 49. Published by Science Press (Beijing) and Missouri Botanical Garden Press. Online at EFloras.org. [back]
Last Revised: 2012-07-26