SimplePlant

Fabaceae

Tall yellow sweetclover

Melilotus altissimus Thuill.

Family
Fabaceae
Genus
Melilotus

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Tall yellow sweetclover (Melilotus altissimus)
FlowerPhoto: Jamie O'Neill, CC BY 4.0, from iNaturalist

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Common names

By language (9)
Czech
Komonice nejvyšší
Dutch
Goudgele honingklaver
English
Tall yellow sweetclover, Tall melilot
Finnish
Isomesikkä
French
Grand mélilot, Mélilot élevé, Melilot eleve
German
Hoher Honigklee, Hoher Steinklee
Russian
Донник высокий, Донник высочайший
Slovenian
Visoka medena detelja
Spanish
Meliloto alto

Synonyms

  • Medicago altissima (Thuill.) E.H.L.Krause
  • Melilotus adriaticus Borbas
  • Melilotus altissima Thuill.
  • Melilotus altissimus prol. macrorhizus Rouy
  • Melilotus altissimus var. macrorhizus (Rouy) P.Fourn.
  • Melilotus altissimus var. paluster W.D.J.Koch
  • Melilotus giganteus Wender.
  • Melilotus macrorrhizus (Waldst. & Kit.) Pers.
  • Sertula altissima (Thuill.) Kuntze
  • Sertula macrorhiza (Waldst. & Kit.) Kuntze
  • Trifolium altissimum (Thuill.) Loisel.
  • Trifolium macrorrhizum Waldst. & Kit.
  • Trifolium melilotus-altissimus C.C.Gmel.
  • Trigonella altissima (Thuill.) Coulot & Rabaute

Flowers

In flower
June to August (from 32 flowering iNaturalist observations worldwide)

Characteristics

Growth habit
Forb/herb
Lifespan
Biennial, Perennial
In the US and Canada
Canada: introduced, Greenland: introduced, Lower 48 states: introduced

Photos

More in Melilotus

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.