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{{Taxobox
| color = lightgreen
| name = ''Impatiens''
| image = ImpatiensGlandulifera-flower-sm.jpg
| image_width = 240px
| image_caption = Himalayan Balsam
| regnum = [[Plant]]ae
| divisio = [[flowering plant|Magnoliophyta]]
| classis = [[dicotyledon|Magnoliopsida]]
| ordo = [[Ericales]]
| familia = [[Balsaminaceae]]
| genus = '''''Impatiens'''''
| subdivision_ranks = Species
| subdivision = See text
}}
[[Image:Impatiens_namchabarwensis_21.jpg|thumb|''Impatiens namchabarwensis'']]
[[Image:Rosulata.JPG|thumb|''Impatiens rosulata'']]
[[Image:Impatiens parviflora.jpg|thumb|''Impatiens parviflora'']]
[[Image:Potapsco_fg13.jpg|thumb|''Impatiens capensis'']]
'''''Impatiens''''' is a genus of about 900-1000 species of [[flower]]ing [[plant]]s in the family [[Balsaminaceae]]. The genus has a wide distribution throughout the [[northern hemisphere]] and [[tropics]], although they are not found in South America.
Some species are [[annual plant]]s and produce flowers from early [[summer]] until the first [[frost]], while [[perennial plant|perennial]] species, found in milder climates, can flower all year. They can exist both in, and out, of direct [[sunlight]]. Impatiens walleriana [[hybrids]] have commercial importance as garden plants with a yearly business volume of about US $230 million. This species of Impatiens were originally collected as weeds from Costa Rica, and bred through selection by Claude Hope. The original series of impatiens bred by Mr. Hope was the Elfin series, which has now been upgraded and known as the Super Elfin series.
Major common names for one or more species include [[Balsam]], [[Jewelweed]] and [[Busy Lizzie]].
The plant derives its scientific name ''Impatiens'' ("impatient") and the common name "touch-me-not" from the plant's [[seed]] pods. When the seed pods mature, they "explode" when touched, sending seeds several meters away. This mechanism is also known as "explosive dehiscence". See also [[Rapid plant movement]].
;Selected species
*''[[Impatiens acehensis]]''
*''[[Impatiens arguta]]''
*''[[Impatiens arriensii]]''
*''[[Impatiens auricoma]]''
*''[[Impatiens balfourii]]'' - Kashmir Balsam
*''[[Impatiens balsamina]]'' - Rose Balsam
*''[[Impatiens bicornuta]]''
*''[[Impatiens campanulata]]''
*''[[Impatiens capensis]]'' - Spotted Jewelweed, Orange Balsam
*''[[Impatiens celebica]]''
*''[[Impatiens chinensis]]''
*''[[Impatiens cristata]]''
*''[[Impatiens dempoana]]''
*''[[Impatiens dewildeana]]''
*''[[Impatiens diepenhorstii]]''
*''[[Impatiens edgeworthii]]''
*''[[Impatiens eubotrya]]''
*''[[Impatiens flaccida]]''
*''[[Impatiens forbesii]]''
*''[[Impatiens glandulifera]]'' - Himalayan Balsam, Policeman's Helmet
*''[[Impatiens gordonii]]''
*''[[Impatiens grandis]]''
*''[[Impatiens hawkeri]]'' - New Guinea impatiens
*''[[Impatiens heterosepala]]''
*''[[Impatiens holstii]]''
*''[[Impatiens javensis]]''
*''[[Impatiens jerdoniae]]''
*''[[Impatiens kilimanjari]]'' - Kilimanjaro Impatiens
*''[[Impatiens korthalsiana]]''
*''[[Impatiens linearifolia]]''
*''[[Impatiens malabarica]]''
*''[[Impatiens marianae]]''
*''[[Impatiens mirabilis]]''
*''[[Impatiens namchabarwensis]]'' - Blue Diamond Impatiens
*''[[Impatiens niamniamensis]]'' - Parrot Plant, Congo Cockatoo
*''[[Impatiens noli-tangere]]'' - Touch-me-not Balsam
*''[[Impatiens oppositifolia]]''
*''[[Impatiens pallida]]'' - Pale Jewelweed
*''[[Impatiens parviflora]]'' - Small Balsam
*''[[Impatiens petersiana]]''
*''[[Impatiens platypetala]]''
*''[[Impatiens pseudoviola]]''
*''[[Impatiens psittacina]]''
*''[[Impatiens pyrrhotricha]]''
*''[[Impatiens repens]] - Ceylon Balsam
*''[[Impatiens rosulata]]''
*''[[Impatiens scabrida]]''
*''[[Impatiens sidikalangensis]]''
*''[[Impatiens singgalangensis]]''
*''[[Impatiens sodenii]]'' - Poor Man's Rhododendron
*''[[Impatiens sulcata]]''
*''[[Impatiens sumatrana]]''
*''[[Impatiens tapanuliensis]]''
*''[[Impatiens teysmanni]]''
*''[[Impatiens tinctoria]]''
*''[[Impatiens walleriana]]'' - Busy Lizzie
*''[[Impatiens vitellina]]''
''Impatiens'' species are used as food plants by the [[larva]]e of some [[Lepidoptera]] species including [[Dot Moth]].
The balsam used in [[shampoo]]s ([[Tolu balsam]], or Balsam of Peru), is derived from the unrelated plant [[Myroxylon]].
===Diseases===
{{Main|List of impatiens diseases}}
==Botanical References==
*[http://rbg-web2.rbge.org.uk/cgi-bin/nph-readbtree.pl/feout?FAMILY_XREF=&GENUS_XREF=Impatiens&SPECIES_XREF=&TAXON_NAME_XREF=&RANK= Flora Europaea: ''Impatiens'']
*[http://www.efloras.org/browse.aspx?flora_id=3&start_taxon_id=116392 Flora of China: ''Impatiens'' species list]
*[http://www.efloras.org/browse.aspx?flora_id=12&start_taxon_id=116392 Flora of Madagascar: ''Impatiens'' species list]
*[http://www.nccpg.com/Default.Aspx?Page57.Aspx?Code=315 UK National Plant Collection of ''Impatiens'']
==Impatiens Sources==
*[http://www.impatiens.net/ ABC Impatiens]
*[http://forums.gardenweb.com/forums/impatiens/ GardenWeb Impatiens Forum]
*[http://www.mrimpatiens.com/ Mr. Impatiens]
*[http://www.virtualflowers.com.au/annuals_impatiens.asp Virtual Flowers Impatiens]
{{commonscat|Impatiens}}
[[Category:Balsaminaceae]]
| color = lightgreen
| name = ''Impatiens''
| image = ImpatiensGlandulifera-flower-sm.jpg
| image_width = 240px
| image_caption = Himalayan Balsam
| regnum = [[Plant]]ae
| divisio = [[flowering plant|Magnoliophyta]]
| classis = [[dicotyledon|Magnoliopsida]]
| ordo = [[Ericales]]
| familia = [[Balsaminaceae]]
| genus = '''''Impatiens'''''
| subdivision_ranks = Species
| subdivision = See text
}}
[[Image:Impatiens_namchabarwensis_21.jpg|thumb|''Impatiens namchabarwensis'']]
[[Image:Rosulata.JPG|thumb|''Impatiens rosulata'']]
[[Image:Impatiens parviflora.jpg|thumb|''Impatiens parviflora'']]
[[Image:Potapsco_fg13.jpg|thumb|''Impatiens capensis'']]
'''''Impatiens''''' is a genus of about 900-1000 species of [[flower]]ing [[plant]]s in the family [[Balsaminaceae]]. The genus has a wide distribution throughout the [[northern hemisphere]] and [[tropics]], although they are not found in South America.
Some species are [[annual plant]]s and produce flowers from early [[summer]] until the first [[frost]], while [[perennial plant|perennial]] species, found in milder climates, can flower all year. They can exist both in, and out, of direct [[sunlight]]. Impatiens walleriana [[hybrids]] have commercial importance as garden plants with a yearly business volume of about US $230 million. This species of Impatiens were originally collected as weeds from Costa Rica, and bred through selection by Claude Hope. The original series of impatiens bred by Mr. Hope was the Elfin series, which has now been upgraded and known as the Super Elfin series.
Major common names for one or more species include [[Balsam]], [[Jewelweed]] and [[Busy Lizzie]].
The plant derives its scientific name ''Impatiens'' ("impatient") and the common name "touch-me-not" from the plant's [[seed]] pods. When the seed pods mature, they "explode" when touched, sending seeds several meters away. This mechanism is also known as "explosive dehiscence". See also [[Rapid plant movement]].
;Selected species
*''[[Impatiens acehensis]]''
*''[[Impatiens arguta]]''
*''[[Impatiens arriensii]]''
*''[[Impatiens auricoma]]''
*''[[Impatiens balfourii]]'' - Kashmir Balsam
*''[[Impatiens balsamina]]'' - Rose Balsam
*''[[Impatiens bicornuta]]''
*''[[Impatiens campanulata]]''
*''[[Impatiens capensis]]'' - Spotted Jewelweed, Orange Balsam
*''[[Impatiens celebica]]''
*''[[Impatiens chinensis]]''
*''[[Impatiens cristata]]''
*''[[Impatiens dempoana]]''
*''[[Impatiens dewildeana]]''
*''[[Impatiens diepenhorstii]]''
*''[[Impatiens edgeworthii]]''
*''[[Impatiens eubotrya]]''
*''[[Impatiens flaccida]]''
*''[[Impatiens forbesii]]''
*''[[Impatiens glandulifera]]'' - Himalayan Balsam, Policeman's Helmet
*''[[Impatiens gordonii]]''
*''[[Impatiens grandis]]''
*''[[Impatiens hawkeri]]'' - New Guinea impatiens
*''[[Impatiens heterosepala]]''
*''[[Impatiens holstii]]''
*''[[Impatiens javensis]]''
*''[[Impatiens jerdoniae]]''
*''[[Impatiens kilimanjari]]'' - Kilimanjaro Impatiens
*''[[Impatiens korthalsiana]]''
*''[[Impatiens linearifolia]]''
*''[[Impatiens malabarica]]''
*''[[Impatiens marianae]]''
*''[[Impatiens mirabilis]]''
*''[[Impatiens namchabarwensis]]'' - Blue Diamond Impatiens
*''[[Impatiens niamniamensis]]'' - Parrot Plant, Congo Cockatoo
*''[[Impatiens noli-tangere]]'' - Touch-me-not Balsam
*''[[Impatiens oppositifolia]]''
*''[[Impatiens pallida]]'' - Pale Jewelweed
*''[[Impatiens parviflora]]'' - Small Balsam
*''[[Impatiens petersiana]]''
*''[[Impatiens platypetala]]''
*''[[Impatiens pseudoviola]]''
*''[[Impatiens psittacina]]''
*''[[Impatiens pyrrhotricha]]''
*''[[Impatiens repens]] - Ceylon Balsam
*''[[Impatiens rosulata]]''
*''[[Impatiens scabrida]]''
*''[[Impatiens sidikalangensis]]''
*''[[Impatiens singgalangensis]]''
*''[[Impatiens sodenii]]'' - Poor Man's Rhododendron
*''[[Impatiens sulcata]]''
*''[[Impatiens sumatrana]]''
*''[[Impatiens tapanuliensis]]''
*''[[Impatiens teysmanni]]''
*''[[Impatiens tinctoria]]''
*''[[Impatiens walleriana]]'' - Busy Lizzie
*''[[Impatiens vitellina]]''
''Impatiens'' species are used as food plants by the [[larva]]e of some [[Lepidoptera]] species including [[Dot Moth]].
The balsam used in [[shampoo]]s ([[Tolu balsam]], or Balsam of Peru), is derived from the unrelated plant [[Myroxylon]].
===Diseases===
{{Main|List of impatiens diseases}}
==Botanical References==
*[http://rbg-web2.rbge.org.uk/cgi-bin/nph-readbtree.pl/feout?FAMILY_XREF=&GENUS_XREF=Impatiens&SPECIES_XREF=&TAXON_NAME_XREF=&RANK= Flora Europaea: ''Impatiens'']
*[http://www.efloras.org/browse.aspx?flora_id=3&start_taxon_id=116392 Flora of China: ''Impatiens'' species list]
*[http://www.efloras.org/browse.aspx?flora_id=12&start_taxon_id=116392 Flora of Madagascar: ''Impatiens'' species list]
*[http://www.nccpg.com/Default.Aspx?Page57.Aspx?Code=315 UK National Plant Collection of ''Impatiens'']
==Impatiens Sources==
*[http://www.impatiens.net/ ABC Impatiens]
*[http://forums.gardenweb.com/forums/impatiens/ GardenWeb Impatiens Forum]
*[http://www.mrimpatiens.com/ Mr. Impatiens]
*[http://www.virtualflowers.com.au/annuals_impatiens.asp Virtual Flowers Impatiens]
{{commonscat|Impatiens}}
[[Category:Balsaminaceae]]
