Polygonatum latifolium (P. Mill.) Desf.

broad-leaved Solomon's-seal

Copyright: various copyright holders. To reuse an image, please click it to see who you will need to contact.

New England Distribution

Adapted from BONAP data

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

North America Distribution

Adapted from BONAP data

enlarge

Facts About

Broad-leaved Solomon's-seal is a European species, occasionally found in New England and a garden escapee, in Massachusetts, New Hampshire and Vermont.

Habitat

Anthropogenic (man-made or disturbed habitats), forest edges

Characteristics

Habitat
terrestrial
New England state
  • Massachusetts
  • New Hampshire
  • Vermont
Leaf arrangement
alternate: there is one leaf per node along the stem
Leaf blade shape
  • the leaf blade is elliptic (widest near the middle and tapering at both ends)
  • 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 length
70–125 mm
Flower petal color
  • green to brown
  • white
Flower petal length
13–21 mm
Petal fusion
the perianth parts are fused to form a tube, cup, or bell shape
Inflorescence type
  • the flowers grow out of the axil (point where a branch or leaf is attached to the main stem)
  • the inflorescence is a raceme (a long unbranched stem with stalked flowers growing along it)
Ovary position
the ovary is above the point of petal and/or sepal attachment
Fruit type (specific)
the fruit is a berry (fleshy, with the wall enclosing one or more sections, with two or more seeds)
Fruit length
6–9 mm
Show All Characteristics
  • Clonal plantlets
    Axillary bulblets
    there are no bulblets being produced in axils
  • Flowers
    Anther attachment
    the anther is attached by its base to the filament
    Bulblets replace flowers
    there are no bulblets where the flowers are located
    Carpels fused
    the carpels are fused (the number of carpels equals the number of locules)
    Flower petal color
    • green to brown
    • white
    Flower petal length
    13–21 mm
    Flower symmetry
    there are two or more ways to evenly divide the flower (the flower is radially symmetrical)
    Form of style
    • the style is knob-like at the tip, and unbranched
    • the style is lobed at the tip, and unbranched
    Fringed petal edges
    the petals are not fringed
    Hairs on flower stalk
    the flower stalk has no hairs on it
    Inflorescence type
    • the flowers grow out of the axil (point where a branch or leaf is attached to the main stem)
    • the inflorescence is a raceme (a long unbranched stem with stalked flowers growing along it)
    Marks on petals
    there are no noticeable marks on the petals
    Nectar spur
    the flower has no nectar spurs
    Number of pistils
    1
    Number of styles
    1
    Ovary position
    the ovary is above the point of petal and/or sepal attachment
    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 petals in color and texture
    Sepal length
    13–21 mm
    Sepals fused only to sepals
    the sepals are fused to each other (often along with the petals in monocots), at least near their bases
    Spathe
    the plant does not have a spathe
    Spathe form
    NA
    Stamen number
    6
    Stamen position relative to petals
    NA
    Stamens fused outwards
    the stamens are fused to the petals or tepals at or near their bases
    Style petal-like
    the style is not broad and flattened like a petal
    Tepals
    the petals and sepals are similar in size and color
  • Fruits or seeds
    Berry color
    blue
    Capsule ridges
    NA
    Fruit compartments
    there are three locules in the fruit
    Fruit length
    6–9 mm
    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)
    Other markings on berry
    the ripe fruits are mostly one color without spots or streaks
  • Glands or sap
    Sap
    the sap is clear and watery
  • Growth form
    Underground organs
    the plant has a rhizome (a horizontal underground stem with roots growing from it)
  • Leaves
    Leaf arrangement
    alternate: there is one leaf per node along the stem
    Leaf blade basal lobes
    the leaf blades do not have basal lobes
    Leaf blade base
    the leaf has a distinct leaf stalk (petiole)
    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
    Leaf blade cross-section
    the leaf blade is more or less flat in cross-section
    Leaf blade faces
    both surfaces of the leaf blade are exposed
    Leaf blade form
    Fully-formed (i.e., expanded), +/- green leaf blades are found somewhere on the plant
    Leaf blade length
    70–125 mm
    Leaf blade shape
    • the leaf blade is elliptic (widest near the middle and tapering at both ends)
    • 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 surface colors
    the upper side of the leaf blade is relatively uniform in color
    Leaf blade veins
    the lateral veins are parallel or slightly arched in the direction of the tip
    Leaf type
    the leaves are simple (i.e., lobed or unlobed but not separated into leaflets
    Stipule twining
    NA
    Stipules
    there are no stipules on this plant
  • Place
    Habitat
    terrestrial
    New England state
    • Massachusetts
    • New Hampshire
    • Vermont
    Specific habitat
    • edges of forests
    • man-made or disturbed habitats
  • Scent
    Plant odor
    the leaves have no particular smell
  • Stem, shoot, branch
    Flowering stem leaves
    there is at least one fully-formed leaf on the flowering stem

Wetland Status

Not classified

New England Distribution and Conservation Status

Distribution

Connecticut
absent
Maine
absent
Massachusetts
present
New Hampshire
present
Rhode Island
absent
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)

Native to North America?

No

Sometimes Confused With

Polygonatum pubescens

Synonyms

  • Convallaria latifolia P. Mill.
  • Polygonatum hirtum (Bosc ex Poir.) Pursh

Family

Ruscaceae

Genus

Polygonatum

Need Help?

Get Help

Information from Dichotomous Key of Flora Novae Angliae

2.  Polygonatum latifolium (P. Mill.) Desf. E

broad-leaved Solomon’s-seal. Convallaria latifolia P. Mill.; Polygonatum hirtum (Bosc ex Poir.) Pursh • MA, NH, VT. Roadsides, forest fragments.