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''Physocarpus'', commonly called ninebark, is a genus of flowering plants in the family (biology), family Rosaceae, native plant, native to North America (most species) and northeastern Asia (one species).
Missouri Botanical Garden. and alternately arranged leaves. The leaves are palmate with 3 to 7 lobes and often toothed edges. The inflorescence is a cluster of bell-shaped flowers with 5 rounded white or pink petals and many stamens. The fruit is a flat or inflated Dehiscence (botany), dehiscent follicle (fruit), follicle.''Physocarpus''.
The Jepson eFlora 2013.''Physocarpus''.
Flora of China. ''Physocarpus opulifolius'' is cultivated as an ornamental plant. Several cultivars have been bred, particularly for foliage of varying colors, including 'Dart's Gold' and 'Luteus', which have yellowish leaves, and 'Monlo' and 'Seward', which have reddish purple foliage.
Molecular phylogenetic systematics and biogeography of tribe Neillieae (Rosaceae) using DNA sequences of cpDNA, rDNA, and LEAFY.
''American Journal of Botany'' 92(1), 179-92.Oh, S. H., et al. (2010)
Phylogenetic relationship of ''Physocarpus insularis'' (Rosaceae) endemic on Ulleung Island: implications for conservation biology.
''Journal of Plant Biology'' 53(1), 94-105. to 20 species in the genus. They include:
*''Physocarpus alternans'' – dwarf ninebark (western North America)
*''Physocarpus amurensis'' – Asian ninebark (Asia)
*''Physocarpus australis''
*''Physocarpus bracteatus'' – (Colorado)
*''Physocarpus capitatus'' – Pacific ninebark (western North America)
*''Physocarpus glabratus'' – (Colorado)
*''Physocarpus malvaceus'' – mallow ninebark (western North America)
*''Physocarpus monogynus'' – mountain ninebark (North America)
*''Physocarpus opulifolius'' – common ninebark (eastern North America)
*''Physocarpus pauciflorus''
*''Physocarpus ribesifolia'' – (Asia)
Description
''Physocarpus'' are deciduous shrubs with peeling bark''Physocarpus opulifolius'' 'Diabolo'.Missouri Botanical Garden. and alternately arranged leaves. The leaves are palmate with 3 to 7 lobes and often toothed edges. The inflorescence is a cluster of bell-shaped flowers with 5 rounded white or pink petals and many stamens. The fruit is a flat or inflated Dehiscence (botany), dehiscent follicle (fruit), follicle.''Physocarpus''.
The Jepson eFlora 2013.''Physocarpus''.
Flora of China. ''Physocarpus opulifolius'' is cultivated as an ornamental plant. Several cultivars have been bred, particularly for foliage of varying colors, including 'Dart's Gold' and 'Luteus', which have yellowish leaves, and 'Monlo' and 'Seward', which have reddish purple foliage.
Taxonomy
Species
There are sixOh, S. H. and D. Potter. (2005)Molecular phylogenetic systematics and biogeography of tribe Neillieae (Rosaceae) using DNA sequences of cpDNA, rDNA, and LEAFY.
''American Journal of Botany'' 92(1), 179-92.Oh, S. H., et al. (2010)
Phylogenetic relationship of ''Physocarpus insularis'' (Rosaceae) endemic on Ulleung Island: implications for conservation biology.
''Journal of Plant Biology'' 53(1), 94-105. to 20 species in the genus. They include:
*''Physocarpus alternans'' – dwarf ninebark (western North America)
*''Physocarpus amurensis'' – Asian ninebark (Asia)
*''Physocarpus australis''
*''Physocarpus bracteatus'' – (Colorado)
*''Physocarpus capitatus'' – Pacific ninebark (western North America)
*''Physocarpus glabratus'' – (Colorado)
*''Physocarpus malvaceus'' – mallow ninebark (western North America)
*''Physocarpus monogynus'' – mountain ninebark (North America)
*''Physocarpus opulifolius'' – common ninebark (eastern North America)
*''Physocarpus pauciflorus''
*''Physocarpus ribesifolia'' – (Asia)
Synonyms
*''Physocarpus hanceana'' = ''Neillia hanceana'' *''Physocarpus intermedius'' = ''Physocarpus opulifolius'' var. ''intermedius'' * ''Physocarpus torreyi'' = ''Physocarpus monogynus'' *''Physocarpus stellatus'' = ''Physocarpus opulifolius''Etymology
The genus name ''Physocarpus'' comes from the Greek word for "bladder fruit", referring to the inflated fruits of some species. The common name 'ninebark' refers to the peeling bark of mature branches, which comes away in strips.Cultivation
Propagation is by seeds sown as soon as ripe or they can be stored dry in airtight containers in a cool place for up to a year and then sown. Plants can be divided in the early spring, with a sharp spade or even an axe, chopping right through the middle. Softwood and hardwood cuttings are easy to root. Garden writers describe few if any problems, but it is not unheard for armies of aphids to attack some varieties. Some seaside specimens exhibit powdery mildew in summer.References
External links
{{Taxonbar, from=Q133596 Physocarpus, Neillieae Rosaceae genera