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Rosa
Family: Rosaceae
Rosa image
Patrick Alexander
  • Gleason & Cronquist
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Vascular plants of NE US and adjacent Canada
Hypanthium globose to urceolate, with a constricted orifice; sep usually long-attenuate or prolonged into a foliaceous tip, often persistent in fr; pet large, spreading at anthesis, pink to red, white, or yellow; stamens very numerous, inserted near the orifice of the hypanthium on relatively short filaments; ovaries mostly numerous, inserted on the bottom or also on the sides of the hypanthium; styles usually barely exserted, distinct or ±united; fr a bony achene; mature hypanthium, called a hip, commonly colored and pulpy or fleshy; shrubs or woody vines, usually prickly; lvs pinnately compound with 3-11 serrate lfls, the stipules commonly large and adnate to the petiole; x=7. Genus beset with hybridization and polyploidy. 100+, mainly N. Temp. The application of the names R. spinosissima and R. cinnamomea is now so confused that both have been abandoned in Flora Europaea. We do likewise.

Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.

©The New York Botanical Garden. All rights reserved. Used by permission.
Species within inventory project: Chicago Region Checklists and Inventories
Rosa arkansana
Image of Rosa arkansana
Map not
Available
Rosa blanda
Image of Rosa blanda
Map not
Available
Rosa canina
Image of Rosa canina
Map not
Available
Rosa carolina
Image of Rosa carolina
Map not
Available
Rosa centifolia
Image of Rosa centifolia
Map not
Available
Rosa gallica
Image of Rosa gallica
Map not
Available
Rosa majalis
Image of Rosa majalis
Map not
Available
Rosa multiflora
Image of Rosa multiflora
Map not
Available
Rosa palustris
Image of Rosa palustris
Map not
Available
Rosa rubiginosa
Image of Rosa rubiginosa
Map not
Available
Rosa rugosa
Image of Rosa rugosa
Map not
Available
Rosa setigera
Image of Rosa setigera
Map not
Available
Rosa virginiana
Image of Rosa virginiana
Map not
Available
Rosa x harisonii
Image of Rosa x harisonii
Map not
Available
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Citation: The vPlants Project. vPlants: A Virtual Herbarium of the Chicago Region. http://www.vplants.org

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