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Symphoricarpos albus — common snowberry

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Facts

The rounded, opposite leaves of common snowberry mark it as a member of the honeysuckle family (Caprifoliaceae). The oval white berries give this species its common name. Interestingly, the twigs are hollow. One variety (Symphoricarpos albus var. laevigatus) is cultivated for planting in the garden, but it can suffer from rusts and other pathogens. Birds and mammals consume the white berries and use the shrubs for cover and nesting sites.

Habitat

Anthropogenic (man-made or disturbed habitats), forest edges, ridges or ledges, shores of rivers or lakes, shrublands or thickets, woodlands

New England distribution

Adapted from BONAP data

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North America distribution

Adapted from BONAP data

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Characteristics

Habitat
terrestrial
New England state
  • Connecticut
  • Maine
  • Massachusetts
  • New Hampshire
  • Rhode Island
  • Vermont
Growth form
the plant is a shrub (a woody plant with several stems growing from the base)
Leaf type
the leaf blade is simple (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 lobes, or it has both teeth and lobes
  • 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
10–50 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
  • the bark of an adult plant peels off easily or hangs off
Twig winter color
  • brown
  • purple
  • red
  • yellow
Bud scale number
there are three or more scales on the winter bud, and they overlap like shingles, with one edge covered and the other edge exposed
Show all characteristics
  • Buds or leaf scars

    Bud position relative to scar
    the winter bud has a leaf scar just below it
    Bud scale number
    there are three or more scales on the winter bud, and they overlap like shingles, with one edge covered and the other edge exposed
    Bud scar shape (Fraxinus)
    NA
    Bundle scar number
    1
    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 distribution
    the winter buds are distributed fairly evenly along the twig
    Winter bud scale hairs
    the winter bud scales have no hairs on them
    Winter bud scales
    the winter bud is perulate (partially or completely covered with one or more 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
    pink
    Flower symmetry
    there is only one way to evenly divide the flower (the flower is bilaterally symmetrical)
    Hairs on ovary (Amelanchier)
    NA
    Hypanthium present
    the flower does not have a hypanthium
    Inflorescence position
    the inflorescences grow on the twigs
    Inflorescence type
    • the inflorescence differs from the choices given
    • the inflorescence is a raceme (a long unbranched stem with stalked flowers growing along it)
    • the inflorescence is a spike (a long unbranched stem with flowers along it that lack stalks)
    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 fused to form a tube, cup, or bell shape
    Sepal appearance
    the sepals resemble leaves in color and texture
    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
    5
    Stamen position relative to petals
    the stamens are lined up with the sepals (antesepalous)
  • Fruits or seeds

    Berry color
    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 berry (fleshy, with the wall enclosing one or more sections, with two or more seeds)
    • 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 (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 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
    the underside of the leaf has no noticeable bloom
    Leaf blade edges
    • the edge of the leaf blade has lobes, or it has both teeth and lobes
    • 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
    10–50 mm
    Leaf blade scales
    there are no scales on the leaf blades
    Leaf blade shape
    • the leaf blade is elliptic (widest near the middle and tapering at both ends)
    • the leaf blade is orbicular (roughly circular, as wide as long)
    • 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)
    • the leaf blade is membranaceous (thin, flexible, almost translucent)
    Leaf blade translucent dots
    there are no translucent dots on the leaf blade
    Leaf blade veins
    the leaf blade has one main vein running from the base toward the tip
    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)
    • the leaf blade margin is undulate (wavy), but does not have teeth
    Leaf teeth hairs (Carya)
    NA
    Leaf type
    the leaf blade is simple (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 (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
    New England state
    • Connecticut
    • Maine
    • Massachusetts
    • New Hampshire
    • Rhode Island
    • Vermont
    Specific habitat
    • edges of forests
    • man-made or disturbed habitats
    • ridges or ledges
    • shores of rivers or lakes
    • shrublands or thickets
    • woodlands
  • 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
    • the bark of an adult plant peels off easily or hangs off
    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 no lenticels on the twigs, or they are very hard to see
    Pith type
    the pith inside the twig is hollow at its center
    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
    • the twigs have hairs, but the hairs do not have glands
    Twig papillae (Vaccinium species only)
    NA
    Twig scales
    there are no scales on the twig surface
    Twig winter color
    • brown
    • purple
    • red
    • yellow
    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

Occurs most often in non-wetlands, but rarely in wetlands. (Wetland indicator code: FACU-)

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.

Massachusetts
unranked (S-rank: SNR)

var. albus

Massachusetts
extremely rare (S-rank: S1), endangered (code: E)
Vermont
uncommon (S-rank: S3)

var. laevigatus

Massachusetts
unranked (S-rank: SNR)

Subspecies and varieties

Symphoricarpos albus (L.) Blakessp. albus is native and known from MA, VT, in areas of thin soils and ledges in areas of high-pH bedrock. S. albus ssp. laevigatus (Fern.) Hultén is non-native and known from CT, MA, ME, NH, RI,VT, in areas of human disturbance.

From Flora Novae Angliae dichotomous key

1.  Symphoricarpos albus (L.) Blake n

common snowberry.  1a. Symphoricarpos albus (L.) Blake var.  laevigatus (Fern.) Blake;  
1b. Symphoricarpos racemosus Michx. • CT, MA, ME, NH, RI, VT. Roadsides, forest borders, abandoned homesteads, forest fragments, areas of habitation, woodlands, rocky forests 
and woodlands, cliffs, lake shore outcrops.

1a.  Branchlets glabrous; leaf blades glabrous abaxially; drupe mostly (10–) 12–15 mm in diameter; cultivated shrubs mostly 1–2 m tall … 1a. S. albus ssp. laevigatus (Fern.) Hultén

1b.  Branchlets usually pubescent [Fig. 550]; leaf blades usually pubescent abaxially; drupe 6–10 (–12) mm in diameter; native shrubs of western New England up to 1 m tall 
 … 1b. S. albus ssp. albus

Subspecies laevigatus is known from CT, MA, ME, NH, RI, VT. It is non-native and usually found in areas of human disturbance and habitation. Subspecies albus is known from MA, VT; western portion of states. It is found on thin soils and ledges in regions of high-pH bedrock.

Native to North America?

Yes

Synonyms

  • Symphoricarpus albus var. laevigatus (Fern.) Blake