Plant · GBIF taxon 2770039
Smooth Solomon's Seal
Polygonatum biflorumAlso known as Great Solomon's Seal, Small Solomon's Seal, True Solomon's Seal
Graceful arching stems lined with smooth, parallel-veined leaves make this perennial a classic understory wildflower of rich temperate forests. In late spring, pairs of pale greenish-white bell flowers dangle discreetly beneath the leaf axils, sheltered from rain and direct sun. These blooms mature into powdery blue-black berries that feed migrating songbirds and small forest rodents before winter dormancy.
WoodlandPerennialNative

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Least ConcernConservation statusIUCN Red List categoriesLCNTVUENCREWEXLeast ConcernRed List categories, explained →
Diet & prey
- Photosynthetic
Predators
- White-tailed Deer
- Eastern Cottontail
ThreatsWhite-tailed deer overbrowsing, habitat fragmentation, and invasive woodland plants
HabitatsRich deciduous forests, wooded slopes, shaded ravines, and thickets
Life spanDecades (perennial colony via rhizomes)
Size / weightNot available
Classification
- OrderAsparagales
- FamilyAsparagaceae
- GenusPolygonatum
- SpeciesPolygonatum biflorum
Range data is not available yet.
Interaction riskHigh
- Low
- Moderate
- High
- Very high
- Why interaction risk is high
- Berries contain gastrointestinal toxins, and wild berries have dangerous look-alikes; never ingest wild plants.
- Why it is dangerous
- Contains steroidal saponins and anthraquinones that cause nausea, severe stomach cramps, vomiting, and diarrhea if berries or raw rhizomes are ingested.
- How to recognize a risky encounter
- Recognized by unbranched arching stems with pairs of tubular greenish bells or dark blue berries hanging directly beneath the leaf joints.
- What to do
- Safe to touch and photograph, but never consume any berries or parts from wild plants.
Responsible observation
- Flower Inspection: Gently tilt the arching stems upward to view the dangling bell flowers hidden under the foliage.
- Distinguishing Look-Alikes: Check flower placement; true Solomon's seal blooms dangle along the stem, unlike terminal false Solomon's clusters.
- Late Season Finding: Search shaded forest floors in late summer to spot the rounded, deep blue-black hanging berries.
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