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Swida sericea — red-osier dogwood

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Facts

Red-osier dogwood is easy to spot in wetlands in winter, with its red stems and blueish fruits that resist rot and persist long after the fruits of other species have dropped. It is often used to stabilize streambanks and revegetate wetlands because it readily suckers to form dense thickets. It is also popular in wildlife gardens to attract numerous birds and mammals. Beware, though: it can spread very rapidly. The branches are used to fashion baskets.

Habitat

Fens, fresh tidal marshes or flats, meadows and fields, shores of rivers or lakes, swamps

New England distribution

Adapted from BONAP data

Found this plant? Take a photo and post a sighting.

North America distribution

Adapted from BONAP data

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Characteristics

Habitat
  • terrestrial
  • wetlands
New England state
  • Connecticut
  • Maine
  • Massachusetts
  • New Hampshire
  • Rhode Island
  • Vermont
Growth form
the plant is a shrub (i.e., a woody plant with several stems growing from the base)
Leaf type
the leaf blade is simple (i.e., lobed or unlobed but not separated into leaflets)
Leaves per node
there are two leaves per node along the stem
Leaf blade edges
the edge of the leaf blade has no teeth or lobes
Leaf duration
the leaves drop off in winter (or they wither but persist on the plant)
armature on plant
the plant does not have spines, prickles, or thorns
Leaf blade length
50–100 mm
Leaf blade width
25.4–63.5 mm
Leaf stalk
the leaves have leaf stalks
Fruit type (general)
the fruit is fleshy
Bark texture
the bark of an adult plant is thin and smooth
Twig winter color
  • purple
  • red
Bud scale number
there are no scales on the winter buds
Show all characteristics

  • Buds or leaf scars

    Bud scale number
    there are no scales on the winter buds
    Bud scar shape (Fraxinus)
    NA
    Collateral buds
    there are no collateral buds on the sides of the branches
    Leaf scar arrangement
    there are two leaf scars per node on the stem or twig
    Superposed buds
    there are no superposed buds on the branch
    Winter bud scale hairs
    NA
    Winter bud scales
    the winter bud is naked (not covered with scales)
    Winter bud stalks
    the winter buds have no stalks

  • Flowers

    Anther color
    the anthers show no hint of a pink, reddish or purplish tint
    Carpels fused
    the carpels are fused to one another
    Enlarged sterile flowers
    there are no enlarged sterile flowers on the plant
    Flower petal color
    white
    Flower symmetry
    there are two or more ways to evenly divide the flower (the flower is radially symmetrical)
    Hairs on ovary (Amelanchier)
    NA
    Hypanthium present
    the flower does not have a hypanthium
    Inflorescence hairs
    there are no hairs on the inflorescence
    Inflorescence type
    the inflorescence is a dichasial cyme (an axis with a terminal flower, below it a pair of branches, each with a terminal flower, these branches may in turn each have a pair of branches and so on)
    Number of pistils
    1
    Ovary position
    the ovary is below the point of petal and/or sepal attachment
    Petal and sepal arrangement
    the flower includes two cycles of petal- or sepal-like structures
    Petal appearance
    the petals are thin and delicate, and pigmented (colored other than green or brown)
    Petal fusion
    the perianth parts are separate
    Sepal cilia (Ilex)
    NA
    Sepal tip glands
    there are no glands at the tips of the sepal lobes
    Sepals fused only to sepals
    the sepals are fused to each other (not other flower parts), at least near their bases
    Stamen number
    4
    Stamen position relative to petals
    the stamens are lined up with the sepals (antesepalous)

  • Fruits or seeds

    Berry color
    • NA
    • white
    Fruit tissue origin
    there are no flower parts that form part of the fruit
    Fruit type (general)
    the fruit is fleshy
    Fruit type (specific)
    the fruit is a drupe (fleshy, with a firm inner ovary wall that encloses a single seed)
    Nut with spines (Fagaceae)
    NA
    Wings on fruit
    there are no wings on the fruit

  • Glands or sap

    Sap color
    the sap is clear and watery
    Stalked glands on fruit (Rosa)
    NA

  • Growth form

    Growth form
    the plant is a shrub (i.e., a woody plant with several stems growing from the base)

  • Leaves

    Hairs on underside of leaf blade
    • the underside of the leaf has hairs on it
    • the underside of the leaf has no hairs
    Hairs on upper side of leaf blade
    • the upper side of the leaf is fuzzy or hairy
    • the upper side of the leaf is not hairy, or has very few hairs
    Leaf blade base shape
    • the base of the leaf blade is cuneate (wedge-shaped, tapers to the base with relatively straight, converging edges), or narrow
    • the base of the leaf blade is rounded
    Leaf blade base symmetry
    the leaf blade base is symmetrical
    Leaf blade bloom
    there is a noticeable powdery or waxy bloom on the underside of the leaf
    Leaf blade edges
    the edge of the leaf blade has no teeth or lobes
    Leaf blade edges (Acer)
    NA
    Leaf blade flatness
    the leaf is flat (planar) at the edges
    Leaf blade hairs
    the hairs on the leaf blade are different from the choices given
    Leaf blade length
    50–100 mm
    Leaf blade scales
    there are no scales on the leaf blades
    Leaf blade shape
    • the leaf blade is lanceolate (lance-shaped; widest below the middle and tapering at both ends)
    • the leaf blade is ovate (widest below the middle and broadly tapering at both ends)
    Leaf blade texture
    the leaf blade is herbaceous (has a leafy texture)
    Leaf blade translucent dots
    there are no translucent dots on the leaf blade
    Leaf blade vein pattern
    the main veins of the leaf blade are pinnate (the secondary veins branch off at intervals from the main central vein) and arcuate (slightly arched in the direction of the tip)
    Leaf blade veins
    the leaf blade has one main vein running from the base toward the tip
    Leaf blade width
    25.4–63.5 mm
    Leaf duration
    the leaves drop off in winter (or they wither but persist on the plant)
    Leaf form
    the plant is broad-leaved (with broadly flattened leaf blades)
    Leaf lobe tips (Quercus)
    NA
    Leaf midrib glands
    the midrib of the leaf blade lacks glands on the upper surface
    Leaf stalk
    the leaves have leaf stalks
    Leaf stalk attachment to leaf
    the petiole attaches at the basal margin of the leaf blade
    Leaf stalk nectaries
    there are no nectaries on the leaf stalk
    Leaf stalk shape
    the leaf stalk is not flattened
    Leaf teeth
    the edge of the leaf blade is entire (has no teeth or lobes)
    Leaf teeth hairs (Carya)
    NA
    Leaf type
    the leaf blade is simple (i.e., lobed or unlobed but not separated into leaflets)
    Leaves per node
    there are two leaves per node along the stem
    Specific leaf type
    the leaves are simple (i.e., lobed or unlobed but not separated into leaflets
    Stipules
    there are no stipules on the plant, or they fall off as the leaf expands

  • Place

    Habitat
    • terrestrial
    • wetlands
    New England state
    • Connecticut
    • Maine
    • Massachusetts
    • New Hampshire
    • Rhode Island
    • Vermont
    Specific habitat
    • fens
    • fresh tidal marshes or flats
    • meadows or fields
    • shores of rivers or lakes
    • swamps

  • Scent

    Plant odor
    the plant does not have much of an odor, or it has an unpleasant or repellant odor

  • Stem, shoot, branch

    Aerial roots
    the plant has no aerial roots
    Bark texture
    the bark of an adult plant is thin and smooth
    Branch brittleness (willows only)
    NA
    Branch cross-section
    the branch is circular in cross-section, or it has five or more sides, so that there are no sharp angles
    First-year cane (Rubus)
    NA
    Lenticels on twigs
    there are clearly lenticels on the twigs
    Pith shape
    the outline of the pith in a twig is roughly round
    Pith type
    the pith inside the twig is solid, completely filled with spongy tissue
    Short shoots
    there are no peg- or knob-like shoots present
    Twig bloom
    there is no bloom on the twig
    Twig hairs
    the twigs have few or no hairs on them
    Twig papillae (Vaccinium species only)
    NA
    Twig scales
    there are no scales on the twig surface
    Twig winter color
    • purple
    • red
    Wings on branch
    the branch does not have wings on it
    armature on plant
    the plant does not have spines, prickles, or thorns

Wetland status

Usually occurs in wetlands, but occasionally in non-wetlands. (Wetland indicator code: FACW)

In New England

Distribution

Connecticut
present
Maine
present
Massachusetts
present
New Hampshire
present
Rhode Island
present
Vermont
present

Conservation status

Exact status definitions can vary from state to state. For details, please check with your state.

Maine
unranked (S-rank: SNR)
Massachusetts
fairly widespread (S-rank: S4)

From Flora Novae Angliae dichotomous key

6.  Swida sericea (L.) Holub N

red-osier dogwood. Cornus alba L. ssp. stolonifera (Michx.) Wangerin; C. sericea L.; C. sericea L. ssp. stolonifera (Michx.) Fosberg; C. stolonifera Michx.; Swida stolonifera (Michx.) Rydb. 
• CT, MA, ME, NH, RI, VT. River shores, including fresh-tidal systems, hydric fields and pastures, swamps, fens.

4×6. Swida rugosa × Swida sericea → Swida ×‌slavinii (Rehd.) Holub is a very rare dogwood hybrid known from ME (though it is likely overlooked and more common than collections indicate). It resembles S. sericea in habit but is more upright, and the winter branchlets are red-purple with sparse, dark, longitudinal lines. The leaf blade shape is more similar to S. rugosa, 
but they are glaucous abaxially, as well as villous abaxially on flowering stems (the 
hairs are more appressed in S. sericea). The drupes are usually tinged with blue (as in 
 S. rugosa), but the seeds tend to have yellow stripes (as in S. sericea). The phenology 
is intermediate between the putative parents— S. sericea flowers first, then the 
hybrid, then S. rugosa.

Native to North America?

Yes

Sometimes confused with

Swida amomum:
pith of branchlets brown, fruit usually blue, and style conspicuously widened near apex (vs. S. sericea, with pith of branchlets white, fruit usually white, and style slender throughout).
Swida rugosa:
branchlets green to yellow-green, often mottled with purple or red, drupe usually light blue, and leaf blades ovate to suborbicular (vs. S. sericea, with branchlets red to red-purple, drupe usually white or rarely blue, and leaf blades lanceolate to ovate).

Synonyms

  • Cornus alba L. ssp. stolonifera (Michx.) Wangerin
  • Cornus sericea L.
  • Cornus sericea L. ssp. stolonifera (Michx.) Fosberg
  • Cornus stolonifera Michx.
  • Swida sericea (L.) Holub
  • Swida stolonifera (Michx.) Rydb.

Family

Cornaceae

Genus

Swida