Murali.lalitha at 14:42, 25 November 2009

2009-11-25T14:42:42Z

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			Wisteria floribunda, DC. (Glycine floribunda, Willd. Wisteria brachybotrys, Sieb. & Zucc. Kraunhia brachybotrys, Greene). Japanese Wisteria. Young lvs. densely covered with straight appressed hairs, but foliage soon glabrous; lfts. 7-9 pairs, ovate-elliptic, rather abruptly acuminate, acute, rounded at base: fls. violet or violet-blue, rather small, in moderately long racemes (or sometimes in short racemes, particularly later in the season, whence the name brachybotrys); standard oblong-orbicular, subcordate at base and auriculate, with a short stipe-like claw; calyx hairy, the 2 upper teeth very short and broad. Common on the margins of woods and along streams in Japan; much cult. there in temple grounds, parks, and gardens; also grown in this country. F.S. 9:880.—From the Chinese wisteria (W. sinensis) it is distinguished by more numerous lfts. which are shed earlier in autumn, much smaller, and 2-3-weeks-later fls., and greater hardiness. It runs into several marked forms. Var. alba (forma alba, Rehd. & Wils. W. multijuga var. alba, Carr.) has white fls. R.H. 1891, p. 421. Var. rosea (forma rosea, Rehd. & Wils.) has rose-colored or pale pink fls. with wings and tip of keel purple. Var. variegata (forma variegata, Rehd. & Wils. W. chinensis var. variegata, Nichols.) has variegated foliage. Var. violaceo-plena (forma violaceo-plena, Rehd. & Wils. W. chinensis var. flore-pleno, Mill.) is a double-fld. form. R.H. 1887:564. Gn. 17, p. 105. F. 1882:557. Var. macrobotrys (forma macrobotrys, Rehd. & Wils. W. macrobotrys, Sieb. W. multijuga, Van Houtte. W. grandiflora, Hort.) has very long racemes, sometimes 2-3 ft.: much prized. F.S. 19:2002. R.H. 1891, p. 176. Under the name W. multijuga Russelliana, a slender-racemed form is shown in Gn. W. 21, suppl. Apr. 2, although the lfts. are not more than 5 pairs. This variety is described as having a purple calyx, soft purple standard deepening in color with age on both faces and a creamy white eye-like blotch on the inner face; wings and keel dark blue, the tip of the keel violet; racemes reach 2 3/4 ft. in length. Named for John Russell, Richmond, Surrey.
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WikiWorks at 01:22, 24 January 2008

2008-01-24T01:22:23Z

New page

{{Taxobox
| color = lightgreen
| name = Japanese Wisteria
| image = Wisteria floribunda3.jpg
| image_width = 250px
| regnum = [[Plant]]ae
| divisio = [[flowering plant|Magnoliophyta]]
| classis = [[Dicotyledon|Magnoliopsida]]
| ordo = [[Fabales]]
| familia = [[Fabaceae]]
| subfamilia = [[Faboideae]]
| tribus = [[Millettieae]]
| genus = ''[[Wisteria]]''
| species = '''''W. floribunda'''''
| binomial = ''Wisteria floribunda''
| binomial_authority = (Willd.) DC.
}}

'''Japanese wisteria''' (''Wisteria floribunda'') is a [[Woody plant|woody]] [[liana]] of the ''[[Wisteria]]'' family. It was brought from [[Japan]] to the [[United States]] in [[1860]] by George Rogers Hall. Since then, it has become one of the most highly romanticized flowering [[garden]] plants. It is also a common subject for bonsai, along with [[Wisteria sinensis]](Chinese wisteria)

The flowering habit of Japanese wisteria is perhaps the most spectacular of the Wisteria family. It sports the longest flower [[raceme]]s of any wisteria; they can reach nearly half a [[meter]] in length. These racemes burst into great trails of clustered white, violet, or blue flowers in early- to mid-[[Spring_(season)|spring]]. The flowers carry a distinctive fragrance similar to that of [[grape]]s. The early flowering time of Japanese wisteria can cause problems in [[temperate]] climates, where early [[frost]]s can destroy the coming years' flowers. It will also flower only after passing from [[juvenile (organism)|juvenile]] to [[adult]] stage, a transition that may take many frustrating years just like its cousin [[Chinese Wisteria]].

Japanese wisteria can grow over 30m long over many supports via powerful [[clockwise]]-twining stems. The foliage consists of shiny, dark-green, [[pinnate]]ly compound leaves 10-30cm in length. The leaves bear 9-13 oblong [[leaflet]]s that are each 2-6 cm long. It also bears numerous [[poisonous]], brown, velvety, bean-like seed pods 5-10cm long that mature in [[summer]] and persist until [[winter]]. Japanese wisteria prefers moist soils and full sun in [[USDA plant hardiness zones]] 5-9<ref name="growth">[http://www.monrovia.com/PlantInf.nsf/67f84a5ebda3df3a88256f9d006b9c7c/4589aa8f48a70bf58825684d007273ab!OpenDocument&Highlight=0,wisteria&Click=882568470064D136.77a6cc4887b5c2ab88256f0e007d62a5/$Body/0.2BA2 Growth Conditions]</ref>. The plant often lives over fifty years.

==''W. floribunda'' cultivars==
# 'Alba' - white flowers
# 'Carnea' - flesh-pink flowers
# 'Issai Perfect' - white flowers, produced while the plant is still young
# 'Ivory Tower' - white flowers, fragrant and numerous
# 'Lawrence' - blue flowers, hardy [[cultivar]]
# 'Longissima' - light purple flowers, clusters very long
# 'Longissima Alba' - white flowers in clusters a half-meter long
# 'Macrobotrys' - reddish-violet flower clusters one meter or longer
# 'Macrobotrys Cascade' - white and pinkish-purple flowers, vigorous grower
# 'Plena' - double blue flowers in dense clusters
# 'Praecox' - blue-purple flowers, dwarf variety
# 'Purpurea' - purple flowers
# 'Rosea' - pale rose flowers tipped purple, 18 inches long
# 'Royal Purple' - purple flowers
# 'Rubra'- deep pink to red flowers
# 'Snow Showers' - white flowers with a lilac tinge
# 'Texas Purple' - purple flowers, produced while the plant is still young
# 'Violacea Plena' - double violet flowers, [[Rosette (design)|rosette]]-shaped

==External links==
{{commons|Wisteria floribunda|Wisteria floribunda}}
* [http://web1.msue.msu.edu/msue/imp/modzz/00001542.html Japanese Wisteria at MSU]
* [http://www.tneppc.org/Manual/Japanese_Wisteria.htm Japanese Wisteria as a pest]
* [http://ohioline.osu.edu/hyg-fact/1000/1246.html University of Ohio fact sheet for ''Wisteria'' family]
* http://database.dotflowers.com/item-japanese-wisteria.html

<gallery>
Image:Wisteria floribunda1.jpg
Image:Wisteria floribunda2.jpg
Image:Wisteria floribunda5.jpg
</gallery>

== References==
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Wisteria floribunda - Revision history

Murali.lalitha at 14:42, 25 November 2009

WikiWorks at 01:22, 24 January 2008