Rosaceae
Mallow ninebark
Physocarpus malvaceus
- Family
- Rosaceae
- Genus
- Physocarpus
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Common names
By language (4)
- Chinese
- 葵叶风箱果, 葵葉風箱果
- Danish
- Katost-Blærespiræa, Blærespirea, Blærespiræa
- English
- Mallow ninebark, Mallow-leaf ninebark
- Finnish
- Kalliovuortenheisiangervo
Synonyms
- Neillia malvacea Greene
- Neillia monogyna var. malvacea (Greene) M.E.Jones
- Neillia torreyi Hook.f.
- Opulaster malvaceus (Greene) Kuntze
- Opulaster pauciflorus (Nutt.) A.Heller
- Opulaster pubescens Rydb.
- Physocarpus pauciflorus (Torr. & A.Gray) Piper
- Physocarpus pauciflorus (Nutt.) Zabel
- Spiraea opulifolia unranked pauciflora Nutt.
- Spiraea opulifolia var. pauciflora Torr. & A.Gray
Flowers
- Flower colour
- white (USDA PLANTS Database)
Characteristics
- Growth habit
- Shrub
- Lifespan
- Perennial
- In the US and Canada
- Canada: native, Lower 48 states: native
Photos
Photo: Sten at Danish Wikipedia, CC BY-SA 3.0, from Wikimedia Commons 
Photo: Matt Lavin from Bozeman, Montana, USA, CC BY-SA 2.0, from Wikimedia Commons Photo: stevensmith2048, CC BY-SA 4.0, from Pl@ntNet via GBIF 
Photo: Matt Lavin from Bozeman, Montana, USA, CC BY-SA 2.0, from Wikimedia Commons 
Photo: Matt Lavin from Bozeman, Montana, USA, CC BY-SA 2.0, from Wikimedia Commons 
Photo: Matt Lavin from Bozeman, Montana, USA, CC BY-SA 2.0, from Wikimedia Commons 
Photo: Matt Lavin from Bozeman, Montana, USA, CC BY-SA 2.0, from Wikimedia Commons 
Photo: Matt Lavin from Bozeman, Montana, USA, CC BY-SA 2.0, from Wikimedia Commons 
Photo: Matt Lavin from Bozeman, Montana, USA, CC BY-SA 2.0, from Wikimedia Commons 
Photo: Matt Lavin from Bozeman, Montana, USA, CC BY-SA 2.0, from Wikimedia Commons 
Photo: Matt Lavin from Bozeman, Montana, USA, CC BY-SA 2.0, from Wikimedia Commons 
Photo: Averater, CC BY-SA 3.0, from Wikimedia Commons
More in Physocarpus
Sources: classification, synonyms from World Flora Online Plant List (2026-06, CC0 1.0); common names, popularity from Wikidata (2026-10-26, CC0 1.0); common names, US characteristics from USDA PLANTS Database (2025-05-29, CC0 1.0). About our plant data.