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- Symphoricarpos albus
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
Native: indigenous.
Non-native: introduced (intentionally or unintentionally); has become naturalized.
County documented: documented to exist in the county by evidence (herbarium specimen, photograph). Also covers those considered historical (not seen in 20 years).
State documented: documented to exist in the state, but not documented to a county within the state. Also covers those considered historical (not seen in 20 years).
Note: when native and non-native populations both exist in a county, only native status is shown on the map.
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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
-
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