Difference between revisions of "Spiraea thunbergii"

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'''''Spiraea thunbergii''''' ('''Thunberg's meadowsweet''') is a [[plant]] in the rose family, [[Rosaceae]].
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''Spiraea thunbergii'' (common names : baby's breath spirea, Thunberg spirea; Japanese common name : yuki-yanagi) is a small, long-lived [[shrub]] with thin, flexible stems. It is native to Japan and China. It is also a popular landscape shrub in southeastern U.S.
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The flowers are white, borne in early spring (late March to early April) and late fall. It reaches a height of 1.5-1.8 meter and is about as wide. The alternate, simple, almost linear [[leaf|leaves]] are semideciduous.
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This plant produces [[phytotoxic]] cis-cinnamoyl [[glucoside]]s and cis-cinnamic acid <ref> [http://grande.nal.usda.gov/ibids/index.php?mode2=detail&origin=ibids_references&therow=750839 Phytochemistry. 2004 Mar., v. 65, no. 6 p. 731-739] </ref> The plant-growth inhibition characteristics can be used against diverse species as lettuce (''Lactuca saliva''), pigweed (''Amaranthus retroflexus''), red clover (''Trifolium pratense''), timothy (''Phleum pratense''), and bok choy (''Brassica rapa'' var ''chinensis''). The characteristics of these natural chemicals indicate a potential role of cis-cinnamic acid and its glucosides as [[Allelopathy|allelochemicals]]  (chemicals, released from plants, that cause an interaction between plants and other living organisms) for use as plant growth regulators and weed suppression in agricultural fields and in natural ecosystems. <ref> [http://cat.inist.fr/?aModele=afficheN&cpsidt=16779039 Journal of chemical ecology 2005, vol. 31, no3, pp. 591-601] </ref>
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This species forms an interspecific hybrid with ''Spiraea japonica'' L. fil. <ref> [http://sciencelinks.jp/j-east/article/200620/000020062006A0748826.php Horticultural Research (Japan)(2006): Floral Characteristics of Interspecific Hybrids between Spiraea thunbergii Sieb. ex Blume. and S. japonica L. fil.] </ref>
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In the horticultural trade one can obtain several varieties  of ''Spiraea thunbergii'', such as 'Mt Fuji' (white flowers), 'Ogon' (bright yellow flowers), 'Mellow yellow' and 'Fugino pink'
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Spiraea thunbergii, Sieb. Shrub, 5 ft. high, with spreading or arching branches: lvs. linear-lanceolate, sharply serrulate, 1-1 3/4 in. long: fls. pure white, about 1/3 in. across, in 3-5-fld. naked umbels; petals obovate, much longer than stamens: follicles with the spreading styles below the apex. April, May. China, Japan.— A very graceful early-flowering shrub, the slender arching branches clothed with feathery bright green foliage, turning late in fall to orange or scarlet. Almost hardy, but tips of branches sometimes killed by severe frost; valuable for seaside planting.
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Spiraea thunbergii, Sieb. Fig. 3660. Shrub, 5 ft. high, with spreading or arching branches: lvs. linear-lanceolate, sharply serrulate, 1-1 3/4 in. long: fls. pure white, about 1/3 in. across, in 3-5-fld. naked umbels; petals obovate, much longer than stamens: follicles with the spreading styles below the apex. April, May. China, Japan. S.Z.1:69. G.F. 8:84, 85. J.H. III.47:337 — A very graceful early-flowering shrub, the slender arching branches clothed with feathery bright green foliage, turning late in fall to orange or scarlet. Almost hardy, but tips of branches sometimes killed by severe frost; valuable for seaside planting.
 
 
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==Cultivation==
 
==Cultivation==
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==Species==
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File:Spiraea thunbergii.JPG| photo 1
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==References==
 
==References==
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*[[Standard Cyclopedia of Horticulture]], by L. H. Bailey, MacMillan Co., 1963
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<!--- xxxxx  *Flora: The Gardener's Bible, by Sean Hogan. Global Book Publishing, 2003. ISBN 0881925381  -->
 
<!--- xxxxx  *Flora: The Gardener's Bible, by Sean Hogan. Global Book Publishing, 2003. ISBN 0881925381  -->
 
<!--- xxxxx  *American Horticultural Society: A-Z Encyclopedia of Garden Plants, by Christopher Brickell, Judith D. Zuk. 1996. ISBN 0789419432  -->
 
<!--- xxxxx  *American Horticultural Society: A-Z Encyclopedia of Garden Plants, by Christopher Brickell, Judith D. Zuk. 1996. ISBN 0789419432  -->
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Latest revision as of 20:44, 14 June 2010


Spiraea thunbergii1.jpg


Plant Characteristics
Habit   shrub

Height: ⇕ 5 ft"ft" can not be assigned to a declared number type with value 5.
Width: ⇔ 7 ft"ft" can not be assigned to a declared number type with value 7.
Lifespan: ⌛ perennial
Bloom: ❀ early spring, mid spring, late spring
Cultivation
Exposure: ☼ sun
Features: ✓ flowers
USDA Zones: 4 to 10
Flower features: ❀ white
Scientific Names

Rosaceae >

Spiraea >

thunbergii >


Spiraea thunbergii (Thunberg's meadowsweet) is a plant in the rose family, Rosaceae.

Spiraea thunbergii (common names : baby's breath spirea, Thunberg spirea; Japanese common name : yuki-yanagi) is a small, long-lived shrub with thin, flexible stems. It is native to Japan and China. It is also a popular landscape shrub in southeastern U.S.

The flowers are white, borne in early spring (late March to early April) and late fall. It reaches a height of 1.5-1.8 meter and is about as wide. The alternate, simple, almost linear leaves are semideciduous.

This plant produces phytotoxic cis-cinnamoyl glucosides and cis-cinnamic acid [1] The plant-growth inhibition characteristics can be used against diverse species as lettuce (Lactuca saliva), pigweed (Amaranthus retroflexus), red clover (Trifolium pratense), timothy (Phleum pratense), and bok choy (Brassica rapa var chinensis). The characteristics of these natural chemicals indicate a potential role of cis-cinnamic acid and its glucosides as allelochemicals (chemicals, released from plants, that cause an interaction between plants and other living organisms) for use as plant growth regulators and weed suppression in agricultural fields and in natural ecosystems. [2]

This species forms an interspecific hybrid with Spiraea japonica L. fil. [3]

In the horticultural trade one can obtain several varieties of Spiraea thunbergii, such as 'Mt Fuji' (white flowers), 'Ogon' (bright yellow flowers), 'Mellow yellow' and 'Fugino pink'


Read about Spiraea thunbergii in the Standard Cyclopedia of Horticulture 

Spiraea thunbergii, Sieb. Shrub, 5 ft. high, with spreading or arching branches: lvs. linear-lanceolate, sharply serrulate, 1-1 3/4 in. long: fls. pure white, about 1/3 in. across, in 3-5-fld. naked umbels; petals obovate, much longer than stamens: follicles with the spreading styles below the apex. April, May. China, Japan.— A very graceful early-flowering shrub, the slender arching branches clothed with feathery bright green foliage, turning late in fall to orange or scarlet. Almost hardy, but tips of branches sometimes killed by severe frost; valuable for seaside planting. CH


The above text is from the Standard Cyclopedia of Horticulture. It may be out of date, but still contains valuable and interesting information which can be incorporated into the remainder of the article. Click on "Collapse" in the header to hide this text.


Cultivation

Propagation

Pests and diseases

Varieties

Gallery

  • photo 1

  • photo 2

  • photo 3

References

  1. ↑ Phytochemistry. 2004 Mar., v. 65, no. 6 p. 731-739
  2. ↑ Journal of chemical ecology 2005, vol. 31, no3, pp. 591-601
  3. ↑ Horticultural Research (Japan)(2006): Floral Characteristics of Interspecific Hybrids between Spiraea thunbergii Sieb. ex Blume. and S. japonica L. fil.

External links


Retrieved from "http://gardenology.mywikis.net/w/index.php?title=Spiraea_thunbergii&oldid=129473"