Fauna
Plant

Smooth Solomon's Seal

Polygonatum biflorum

Also 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
—observations
—countries
—peak records
Least ConcernConservation statusIUCN Red List categoriesLCNTVUENCREWEXLeast ConcernRed List categories, explained →
Diet & preyPhotosynthetic
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)
  1. OrderAsparagales
  2. FamilyAsparagaceae
  3. GenusPolygonatum
  4. SpeciesPolygonatum biflorum
Range data is not available yet.
Interaction riskHigh
  1. Low
  2. Moderate
  3. High
  4. 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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