Rosaceae

Pacific ninebark

Physocarpus capitatus (Pursh) Kuntze

Family: Rosaceae
Genus: Physocarpus

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Common names

By language (3)

Chinese: 头状风箱果, 頭狀風箱果
Danish: Hoved-Blærespiræa, Blærespirea, Hovedblærespiræa
English: Pacific ninebark

Synonyms

Neillia capitata (Pursh) Greene
Neillia opulifolia var. mollis (Torr. & A.Gray) W.H.Brewer & S.Watson
Opulaster capitatus (Pursh) Kuntze
Opulaster opulifolius var. capitatus (Pursh) Jeps.
Opulaster opulifolius var. tomentellus C.K.Schneid.
Physocarpus opulifolius var. tomentellus (Ser.) B.Boivin
Physocarpus opulifolius var. tomentellus (Ser.) Hegi & Gams
Physocarpus tomentosus Raf.
Spiraea capitata Pursh
Spiraea opulifolia var. mollis Torr. & A.Gray
Spiraea opulifolia var. multiflora Durand
Spiraea opulifolia var. tomentella Ser.
Spiraea opulifolia var. tomentosa Hook. ex Raf.
Spiraea ribifolia Nutt. ex Torr. & A.Gray
Spiraea ribifolia Nutt.

Flowers

Flower colour: white (USDA PLANTS Database)

Characteristics

Growth habit: Shrub
Lifespan: Perennial
In the US and Canada: Alaska: native, Canada: native, Lower 48 states: native

Photos

Photo: Walter Siegmund, CC BY-SA 3.0, from Wikimedia Commons
Photo: Walter Siegmund, CC BY 2.5, from Wikimedia Commons
Photo: garua, CC BY-SA 4.0, from Pl@ntNet via GBIF
Photo: Walter Siegmund, CC BY 2.5, from Wikimedia Commons
Photo: touchingmindbodyspirit, CC BY-SA 4.0, from Pl@ntNet via GBIF
Photo: Walter Siegmund, CC BY 2.5, from Wikimedia Commons
Photo: Weixuan Huang, CC BY-SA 4.0, from Pl@ntNet via GBIF
Photo: Walter Siegmund, CC BY 2.5, from Wikimedia Commons
Photo: approachlife, CC BY-SA 4.0, from Pl@ntNet via GBIF
Photo: Walter Siegmund, CC BY-SA 3.0, from Wikimedia Commons
Photo: jeremykirouac, CC BY-SA 4.0, from Pl@ntNet via GBIF
Photo: Walter Siegmund, 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.