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Polygonatum biflorum (Walter) Elliott

Smooth Solomon’s-seal, King Solomon’s-seal, great Solomon’s seal

Smooth Solomon’s-seal, a member of the Lily family, is native to North America.

Plants: Up to 4′ (1.2 m) in length, often bent to grow sideways, perhaps to capture as much light as possible.

Leaves: Yellow-green leaves appear alternately along the stem. They are oval, pointed at each end, up to 7″ (18 cm) long by 2½″ (7 cm) wide.

Flowers: Delicate greenish-white or yellowish-green bell-shaped flowers hang downward in groups of 1-5 flowers, each about ½ ⨉ ⅛″ (1.3 cm ⨉ 5 mm).

Fruits: Bluish-black fleshy berries.

Habitats: Woods, prairies, in sandy, loamy soil.

Similar species.

Online References:

Illinois Wildflowers

The Lady Bird Johnson Wildflower Center

Wnmu.edu

The Missouri Botanical Garden

Plants for a Future

 

Polygonatum biflorum (smooth Solomon’s-seal, King Solomon’s-seal, great Solomon’s seal, smooth Solomon’s seal)

5/17/2016 · Worcester Road Trails, Beaver Br, Hollis, New Hamp­shire

Polygonatum biflorum (smooth Solomon’s-seal, King Solomon’s-seal, great Solomon’s seal, smooth Solomon’s seal)

7/23/2015 · Beaver Brook Conservation Area, Hollis, New Hamp­shire · ≈ 8 × 6″ (20 × 14 cm)

Polygonatum biflorum (smooth Solomon’s-seal, King Solomon’s-seal, great Solomon’s seal, smooth Solomon’s seal)

6/4/2010 · Nashua River Rail Trail, Ayer, Mass­a­chu­setts

Polygonatum biflorum (smooth Solomon’s-seal, King Solomon’s-seal, great Solomon’s seal, smooth Solomon’s seal)

9/3/2015 · Beaver Brook Conservation Area, Hollis, Mass­a­chu­setts · ≈ 9 × 6″ (22 × 15 cm)

Polygonatum biflorum (smooth Solomon’s-seal, King Solomon’s-seal, great Solomon’s seal, smooth Solomon’s seal)

5/7/2010 · Tom and Susan’s, Pepperell, Mass­a­chu­setts · ≈ 9 × 6″ (23 × 15 cm)

Polygonatum biflorum (smooth Solomon’s-seal, King Solomon’s-seal, great Solomon’s seal, smooth Solomon’s seal)

5/11/2010 · Tom and Susan’s, Pepperell, Mass­a­chu­setts · ≈ 8 × 5″ (19 × 13 cm)

Polygonatum biflorum (smooth Solomon’s-seal, King Solomon’s-seal, great Solomon’s seal, smooth Solomon’s seal)

4/29/2013 · Beaver Brook Conservation Area, Hollis, New Hamp­shire · ≈ 6 × 7″ (14 × 17 cm)

Polygonatum biflorum (smooth Solomon’s-seal, King Solomon’s-seal, great Solomon’s seal, smooth Solomon’s seal)

9/14/2010 · Garden in the Woods, Framingham, Mass­a­chu­setts · ≈ 9 × 6″ (22 × 14 cm) ID is uncertain

Polygonatum biflorum (smooth Solomon’s-seal, King Solomon’s-seal, great Solomon’s seal, smooth Solomon’s seal)

7/23/2015 · Beaver Brook Conservation Area, Hollis, New Hamp­shire · ≈ 10 × 7″ (25 × 16 cm)

Polygonatum biflorum (smooth Solomon’s-seal, King Solomon’s-seal, great Solomon’s seal, smooth Solomon’s seal)

Usually the flowers are in pairs or multiples. · 5/20/2014 · Beaver Brook Conservation Area, Hollis, New Hamp­shire · ≈ 9 × 6″ (23 × 16 cm)

Polygonatum biflorum (smooth Solomon’s-seal, King Solomon’s-seal, great Solomon’s seal, smooth Solomon’s seal)

A stiff breeze makes it easier to see the flowers, which normally hang below the stem. You can also see the fine hairs that make the leaf undersides look whitish. · 5/17/2016 · Worcester Road Trails, Beaver Br, Hollis, New Hamp­shire

Polygonatum biflorum (smooth Solomon’s-seal, King Solomon’s-seal, great Solomon’s seal, smooth Solomon’s seal)

8/17/2019 · Wildflower Trail, Beaver Brook Conservation Area, Hollis, New Hamp­shire · ≈ 6 × 4″ (16 × 11 cm)

Polygonatum biflorum (smooth Solomon’s-seal, King Solomon’s-seal, great Solomon’s seal, smooth Solomon’s seal)

1/5/2026 · By Jacquelyn Boyt

Polygonatum biflorum (smooth Solomon’s-seal, King Solomon’s-seal, great Solomon’s seal, smooth Solomon’s seal)

5/5/2016 · Wildflower Trail, Beaver Brook Conservation Area, Hollis, New Hamp­shire

Polygonatum biflorum (smooth Solomon’s-seal, King Solomon’s-seal, great Solomon’s seal, smooth Solomon’s seal)

5/15/1979 · Virginia · By Tim Chandler

Polygonatum biflorum (smooth Solomon’s-seal, King Solomon’s-seal, great Solomon’s seal, smooth Solomon’s seal)

Usually the flowers are in pairs or multiples. · 5/20/2014 · Beaver Brook Conservation Area, Hollis, New Hamp­shire · ≈ 8 × 5″ (19 × 12 cm)

Polygonatum biflorum (smooth Solomon’s-seal, King Solomon’s-seal, great Solomon’s seal, smooth Solomon’s seal)

9/26/2010 · Brooks Woodland Preserve, Swift River Tract, Petersham, Mass­a­chu­setts · ≈ 9 × 6″ (22 × 14 cm)

Polygonatum biflorum (smooth Solomon’s-seal, King Solomon’s-seal, great Solomon’s seal, smooth Solomon’s seal)

5/26/2024 · McLaughlin Garden and Homestead, South Paris, Maine

Polygonatum biflorum (smooth Solomon’s-seal, King Solomon’s-seal, great Solomon’s seal, smooth Solomon’s seal)

9/26/2010 · Brooks Woodland Preserve, Swift River Tract, Petersham, Mass­a­chu­setts · ≈ 8 × 5″ (19 × 13 cm)

Polygonatum biflorum (smooth Solomon’s-seal, King Solomon’s-seal, great Solomon’s seal, smooth Solomon’s seal)

9/14/2010 · Garden in the Woods, Framingham, Mass­a­chu­setts · ≈ 12 × 8″ (31 × 20 cm) ID is uncertain

KingdomPlantaePlants, but not fungi, lichens, or algae (from Stearn's Botanical Latin)
SubkingdomTracheobiontaVascular plants—plants with a “circulatory system” for delivering water and nutrients
DivisionMagnoliophytaFlowering plants, also known as angiosperms
ClassLiliopsidaMonocots (plants with a single seed leaf); includes the lily family
SubclassLiliidaeIncludes lilies, orchids, and many others
OrderAsparagalesA diverse group that includes asparagus
FamilyAsparagaceaeAgaves, asparagus, hyacinths, and others
GenusPolygonatumGreek for “with many knees,” referring to the swollen joints of stems
Speciesbiflorum“Two-flowered”

About plant names...

Range: Zones 3-9:

About this map...

Polygonatum biflorum description by Thomas H. Kent, not updated.

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