Actaea rubra
Actaea rubra red baneberry
A striking herbaceous perennial wildflower, red baneberry belongs to the buttercup family (Ranunculaceae) and is native to the shaded woodlands of North America. Favoring moist, humus-rich soils, it thrives in dappled sunlight and deep forest shade. Over time, it forms loose colonies through fleshy, horizontal rhizomes that enable clonal spread. Typically reaching 1 to 3 feet in height and about a foot in width, this clump-forming plant is distinguished by its showy compound leaves arranged along the stem. Each leaf consists of 3 to 5 ovate leaflets with lobed and serrated margins, often hairy on the undersides. The foliage is rough to the touch and visually appealing, making it a favorite among native plant enthusiasts.
In early summer, red banberry produces racemes of small, hermaphroditic white flowers, each bearing numerous prominent stamens and functional pistils. These blooms attract a variety of pollinators, including Halictid bees, beetles, and flies. After pollination, the plant develops clusters of glossy red to burgundy berries, each less than 1″ long and about ⅓″ across. Though toxic to humans, the berries are consumed by woodland birds such as robins, thrushes, and grouse, as well as small mammals like chipmunks, squirrels, and voles—contributing to seed dispersal across the forest floor.
Slow to mature, red baneberry typically takes two to three years from seedling to flowering, yet it remains a resilient and enduring presence in native ecosystems. Though less common in the southeastern U.S., this wildflower’s vivid red fruit makes it a quiet but captivating inhabitant of North America’s shaded woodlands.
Habitat & Range
Occasional in rich woods and thickets. Prefers shade to part shade in dappled sunlight and moist to wet soils rich in organic matter.
Mostly found in the north of the state. See distribution map at BONAP.
Range: Native to cool, shaded woodlands across much of North America, ranging from Alaska and Canada through the northern United States and into parts of the Rocky Mountains and Appalachians, but is uncommon in the southeastern and southwestern regions.
| EMP: | UPL |
|---|---|
| NCNE: | FACU |
Phenology
Flowers May & June.
Characteristics
Inflorescence fluffy or pyramidal terminal raceme with small 10-30 white flowers; 1 to 3 cm long
Flowers corolla white; hermapoditic; stamens prominent and numerous; one fertile pistil
Leaves compound, 3 to 5 ovate leaflets with hooked hairs on the veins beneath; margins lobed and serrate; leaflets 1¼ to 3½″ long
Stems light green, glabrous, erect, usually unbranched; foliage concentrated near the upper half
Rhizomes fleshy, horizontal; allows clumping and creates colonies over time
Fruit red or burgundy berry; borne in tight clusters; abt. ½″ long, ⅓″ across
Height 1-3 feet; spread 1 foot
Plant Codes
PA status: PT (Threatened)
S-rank: S2 (Imperiled)
G-rank: G5 (Secure)
Ecology
Flowers attract a variety of pollinators, including Halictid bees, beetles, and flies. Its vivid berries, though toxic to humans, are consumed by woodland birds such as thrushes and grouse, as well as small mammals like chipmunks, red squirrels, and voles - all of which help disperse its seeds across the forest floor.
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