Physocarpus

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Not to be confused with Hydrangea radiata, which is also sometimes called ninebark for the ragged peeling of its bark.
Physocarpus
0 Physocarpus opulifolius - Samoëns.JPG
Physocarpus opulifolius
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Rosids
Order: Rosales
Family: Rosaceae
Subfamily: Amygdaloideae[1]
Tribe: Neillieae
Genus: Physocarpus
(Cambess.) Raf. 1836[2]
Species

6-20, see text

Physocarpus, commonly called ninebark, is a genus of flowering plants in the family Rosaceae, native to North America (most species) and northeastern Asia (one species).

Description[edit]

Physocarpus are deciduous shrubs with 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 dehiscent follicle.[3][4] The genus name Physocarpus comes from the Greek for "bladder fruit", referring to the inflated fruits of some species.[5] The common name ninebark refers to the peeling bark of mature branches, which comes away in strips.[6]

P. 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.[7]

Diversity[edit]

There are six[3][8][9] to 20[4] species in the genus.

Species include:

Bark of Physocarpus monogynus

Synonyms[edit]

References[edit]

  1. ^ D. Potter, T. Eriksson, R. C. Evans, S. Oh, J. E. E. Smedmark, D. R. Morgan, M. Kerr, K. R. Robertson, M. Arsenault, T. A. Dickinson & C. S. Campbell (2007). "Phylogeny and classification of Rosaceae" (PDF). Plant Systematics and Evolution 266 (1–2): 5–43. doi:10.1007/s00606-007-0539-9.  Note that this publication pre-dates the 2011 International Botanical Congress which mandates that the combined subfamily referred to in the paper as Spiraeoideae must be called Amygdaloideae.
  2. ^ Physocarpus Tropicos.org. Missouri Botanical Garden. 22 Jan 2012
  3. ^ a b Physocarpus. The Jepson eFlora 2013.
  4. ^ a b Physocarpus. Flora of China.
  5. ^ Coombes, Allen J. (2012). The A to Z of Plant Names. USA: Timber Press. 
  6. ^ Physocarpus opulifolius 'Diabolo'. Missouri Botanical Garden.
  7. ^ Common Ninebark, Physocarpus opulifolius'. University of Illinois Extension.
  8. ^ Oh, 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.
  9. ^ 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.
  10. ^ P. alternans, USDA Natural Resources Conservation Service PLANTS Profile, 22 Jan 2012 
  11. ^ P. amurensis Flora of China, www.eFloras.org 22 Jan 2012
  12. ^ P. australis International Organization for Plant Information (IOPI) 22 Jan 2012
  13. ^ P. bracteatus USDA-ARS Germplasm Resources Information Network (GRIN) 22 Jan 2012
  14. ^ P. capitatus, USDA Natural Resources Conservation Service PLANTS Profile, 22 Jan 2012 
  15. ^ P. glabratus Tropicos.org. Missouri Botanical Garden. 22 Jan 2012
  16. ^ P. malvaceus, USDA Natural Resources Conservation Service PLANTS Profile, 22 Jan 2012 
  17. ^ P. monogynus, USDA Natural Resources Conservation Service PLANTS Profile, 22 Jan 2012 
  18. ^ P. opulifolius, USDA Natural Resources Conservation Service PLANTS Profile, 22 Jan 2012 
  19. ^ P. pauciflorus International Organization for Plant Information (IOPI) 22 Jan 2012
  20. ^ P. ribesifolia Tropicos.org. Missouri Botanical Garden. 22 Jan 2012
  21. ^ P. hanceana USDA-ARS Germplasm Resources Information Network (GRIN) 22 Jan 2012
  22. ^ P. intermedius Tropicos.org. Missouri Botanical Garden. 22 Jan 2012
  23. ^ P. torreyi Integrated Taxonomic Information System (ITIS) 22 Jan 2012
  24. ^ P. stellatus USDA-ARS Germplasm Resources Information Network (GRIN) 22 Jan 2012

External links[edit]