Asparagaceae
False lily of the valley
Maianthemum dilatatum
- Family
- Asparagaceae
- Genus
- Maianthemum
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Common names
By language (7)
- arz
- ميانثيموم ديلاتاتوم
- Chinese
- 舞鶴草, 北方舞鹤草
- English
- False lily of the valley
- Finnish
- Marmorioravanmarja
- Japanese
- マイヅルソウ
- Russian
- Майник широколистный
- Swedish
- Stort ekorrbär
Synonyms
- Convallaria bifolia var. kamtschatica J.F.Gmel.
- Convallaria bifolia var. kamtschaticum S.G.Gmel.
- Maianthemum bifolium subsp. kamtschaticum (J.F.Gmel.) A.E.Murray
- Maianthemum bifolium var. dilatatum Alph.Wood
- Maianthemum bifolium var. kamtschaticum (J.F.Gmel.) Trautv. & C.A.Mey.
- Maianthemum bifolium var. kamtschaticum (S.G.Gmel. ex Cham.) Jeps.
- Maianthemum kamtschaticum (J.F.Gmel.) Nakai
- Smilacina bifolia var. kamtschatica S.G.Gmel.
- Smilacina dilatata (Alph.Wood) Nutt. ex Baker
- Unifolium bifolium subsp. kamtschaticum (J.F.Gmel.) Piper
- Unifolium dilatatum (Alph.Wood) Greene
- Unifolium kamtschaticum (J.F.Gmel.) Gorman
Flowers
- In flower
- May to June (from 793 flowering iNaturalist observations worldwide)
Characteristics
- Growth habit
- Forb/herb
- Lifespan
- Perennial
- In the US and Canada
- Alaska: native, Canada: native, Lower 48 states: native
Photos
FlowerPhoto: elik03, CC BY 4.0, from iNaturalist 
FlowerPhoto: Lindsey K. Wise, CC BY 4.0, from iNaturalist 
FlowerPhoto: John Brew, CC BY 4.0, from iNaturalist 
FruitPhoto: John Brew, CC BY-SA 4.0, from iNaturalist 
Photo: Walter Siegmund, CC BY-SA 3.0, from Wikimedia Commons 
Photo: Walter Siegmund, CC BY 2.5, from Wikimedia Commons Photo: Ukiah Hawkins, CC BY-SA 4.0, from Pl@ntNet via GBIF 
Photo: Robyn Hanson, CC0, from iNaturalist 
Photo: E-190, CC BY-SA 3.0, from Wikimedia Commons Photo: George Karpinski, CC BY-SA 4.0, from Pl@ntNet via GBIF 
Photo: Erin McKittrick, CC BY 4.0, from iNaturalist 
Photo: Σ64, CC BY-SA 3.0, from Wikimedia Commons
More in Maianthemum
- May lilyMaianthemum bifoliumAsparagaceae
- Feathery false lily of the valleyMaianthemum racemosumAsparagaceae
- Starry false lily of the valleyMaianthemum stellatumAsparagaceae
- Threeleaf false lily of the valleyMaianthemum trifoliumAsparagaceae
- Canada mayflowerMaianthemum canadenseAsparagaceae
- Maianthemum gigasAsparagaceae
- Maianthemum japonicumAsparagaceae
- Maianthemum paniculatumAsparagaceae
- Maianthemum scilloideumAsparagaceae
- Maianthemum robustumAsparagaceae
- Maianthemum viridiflorumAsparagaceae
- Maianthemum yesoenseAsparagaceae
Sources: classification, synonyms from World Flora Online Plant List (2026-06, CC0 1.0); common names, popularity from Wikidata (2026-10-26, CC0 1.0); common names, US characteristics from USDA PLANTS Database (2025-05-29, CC0 1.0). About our plant data.