Pollinator plant

Lesser hop trefoil

Trifolium dubium

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Common names

46 names · 28 languages
EnglishYour language
+9 more namesShow fewer names
Other languages (27)
Dutch
French
Afrikaans
  • kleingeelklawer[2]
Arabic
  • برسيم صغير[2]
Chinese (Simplified)
  • 钝叶车轴草[2]
Chinese (Traditional)
  • 小黃菽草[2]
  • 鈍葉車軸草[2]
  • 黃菽草[2]
Czech
  • jetel pochybný[2]
Danish
  • Fin kløver[2]
Estonian
  • väike ristik[2]
Finnish
  • pikkuapila[2]
German
Hungarian
  • apró here[2]
Irish
Italian
Japanese
  • キバナツメクサ[2]
  • コメツブツメクサ[2]
Korean
  • 애기노랑토끼풀[2]
Latvian
  • Sīkais āboliņš[2]
Lithuanian
  • Mažasis Dobilas[2]
Norwegian
  • musekløver[2]
Polish
  • Koniczyna drobnogłówkowa[2]
Portuguese
Russian
  • Клевер сомнительный[2]
Slovak
  • ďatelina pochybná[2]
Slovenian
  • mala detelja[2]
Swedish
  • Trådklöver[2]
Ukrainian
  • Конюшина сумнівна[2]
Welsh
  • Meillionen hopysaidd fach[2]
Sources & name notes (3)

Names recorded in our plant catalogue and botanical sources, grouped by language. Usage can vary by region.

Catalogue language labels are reviewed separately from botanical source records.

Numbered references identify names recorded by an external source. Other names are from our plant catalogue.

[1] Trifolium dubium — iNaturalist taxon names ↗

Community-curated iNaturalist taxonomy. This is a common-name attestation, not an independent botanical determination.

Source records
  • Cowhop Clover — results[0].names[30]; taxon id 53313; Trifolium dubium.
  • Faden-Klee — results[0].names[12]; taxon id 53313; Trifolium dubium.
  • Kleiner Klee — results[0].names[13]; taxon id 53313; Trifolium dubium.
  • Zweifelhafter Klee — results[0].names[14]; taxon id 53313; Trifolium dubium.
  • Irish Shamrock — results[0].names[31]; taxon id 53313; Trifolium dubium.
  • Least Hop Clover — results[0].names[35]; taxon id 53313; Trifolium dubium.
  • Lesser hop trefoil — results[0].names[2]; taxon id 53313; Trifolium dubium.
  • Lesser Trefoil — results[0].names[5]; taxon id 53313; Trifolium dubium.
  • Little hop clover — results[0].names[3]; taxon id 53313; Trifolium dubium.
  • small hop-clover — results[0].names[7]; taxon id 53313; Trifolium dubium.
  • Small-Hop Clover — results[0].names[36]; taxon id 53313; Trifolium dubium.
  • Suckling clover — results[0].names[6]; taxon id 53313; Trifolium dubium.
  • yellow suckling clover — results[0].names[22]; taxon id 53313; Trifolium dubium.
  • Petit trèfle jaune — results[0].names[16]; taxon id 53313; Trifolium dubium.
  • Trèfle douteux — results[0].names[15]; taxon id 53313; Trifolium dubium.
  • trifoglio dubbio — results[0].names[33]; taxon id 53313; Trifolium dubium.
  • Kleine klaver — results[0].names[1]; taxon id 53313; Trifolium dubium.
  • Trevinho — results[0].names[10]; taxon id 53313; Trifolium dubium.
  • Trevo-amarelo-menor — results[0].names[9]; taxon id 53313; Trifolium dubium.
[2] Trifolium dubium — iNaturalist taxon names ↗

Community-curated iNaturalist taxonomy; common-name attestation, not an independent botanical determination.

Source records
  • Cowhop Clover — results[3].names[30]; taxon id 53313; Trifolium dubium.
  • Faden-Klee — results[3].names[12]; taxon id 53313; Trifolium dubium.
  • Kleiner Klee — results[3].names[13]; taxon id 53313; Trifolium dubium.
  • Zweifelhafter Klee — results[3].names[14]; taxon id 53313; Trifolium dubium.
  • Irish Shamrock — results[3].names[31]; taxon id 53313; Trifolium dubium.
  • Least Hop Clover — results[3].names[35]; taxon id 53313; Trifolium dubium.
  • Lesser hop trefoil — results[3].names[2]; taxon id 53313; Trifolium dubium.
  • Lesser Trefoil — results[3].names[5]; taxon id 53313; Trifolium dubium.
  • Little hop clover — results[3].names[3]; taxon id 53313; Trifolium dubium.
  • small hop-clover — results[3].names[7]; taxon id 53313; Trifolium dubium.
  • Small-Hop Clover — results[3].names[36]; taxon id 53313; Trifolium dubium.
  • Suckling clover — results[3].names[6]; taxon id 53313; Trifolium dubium.
  • yellow suckling clover — results[3].names[22]; taxon id 53313; Trifolium dubium.
  • Petit trèfle jaune — results[3].names[16]; taxon id 53313; Trifolium dubium.
  • Trèfle douteux — results[3].names[15]; taxon id 53313; Trifolium dubium.
  • trifoglio dubbio — results[3].names[33]; taxon id 53313; Trifolium dubium.
  • Kleine klaver — results[3].names[1]; taxon id 53313; Trifolium dubium.
  • Trevinho — results[3].names[10]; taxon id 53313; Trifolium dubium.
  • Trevo-amarelo-menor — results[3].names[9]; taxon id 53313; Trifolium dubium.
  • pikkuapila — results[3].names[8]; taxon id 53313; Trifolium dubium.
  • コメツブツメクサ — results[3].names[11]; taxon id 53313; Trifolium dubium.
  • Клевер сомнительный — results[3].names[17]; taxon id 53313; Trifolium dubium.
  • jetel pochybný — results[3].names[18]; taxon id 53313; Trifolium dubium.
  • 黃菽草 — results[3].names[19]; taxon id 53313; Trifolium dubium.
  • Fin kløver — results[3].names[20]; taxon id 53313; Trifolium dubium.
  • väike ristik — results[3].names[21]; taxon id 53313; Trifolium dubium.
  • musekløver — results[3].names[23]; taxon id 53313; Trifolium dubium.
  • Trådklöver — results[3].names[24]; taxon id 53313; Trifolium dubium.
  • Mažasis Dobilas — results[3].names[25]; taxon id 53313; Trifolium dubium.
  • Koniczyna drobnogłówkowa — results[3].names[26]; taxon id 53313; Trifolium dubium.
  • キバナツメクサ — results[3].names[27]; taxon id 53313; Trifolium dubium.
  • برسيم صغير — results[3].names[28]; taxon id 53313; Trifolium dubium.
  • 钝叶车轴草 — results[3].names[29]; taxon id 53313; Trifolium dubium.
  • 애기노랑토끼풀 — results[3].names[32]; taxon id 53313; Trifolium dubium.
  • kleingeelklawer — results[3].names[34]; taxon id 53313; Trifolium dubium.
  • mala detelja — results[3].names[37]; taxon id 53313; Trifolium dubium.
  • 鈍葉車軸草 — results[3].names[38]; taxon id 53313; Trifolium dubium.
  • 小黃菽草 — results[3].names[39]; taxon id 53313; Trifolium dubium.
  • Конюшина сумнівна — results[3].names[40]; taxon id 53313; Trifolium dubium.
  • Sīkais āboliņš — results[3].names[41]; taxon id 53313; Trifolium dubium.
  • apró here — results[3].names[42]; taxon id 53313; Trifolium dubium.
  • Seamróg — results[3].names[43]; taxon id 53313; Trifolium dubium.
  • Meillionen hopysaidd fach — results[3].names[44]; taxon id 53313; Trifolium dubium.
  • ďatelina pochybná — results[3].names[45]; taxon id 53313; Trifolium dubium.
[3] Trifolium dubium — Plant Toolbox common names ↗

NC State Extension Gardener Plant Toolbox; English common names in a United States horticultural reference.

Source records
  • Lesser Hop Clover — ul#common_names > li:nth-of-type(1); heading: Common Name(s):; Trifolium dubium.
  • Lesser Trefoil — ul#common_names > li:nth-of-type(2); heading: Common Name(s):; Trifolium dubium.
  • Little Hop Clover — ul#common_names > li:nth-of-type(3); heading: Common Name(s):; Trifolium dubium.
  • Suckling Clover — ul#common_names > li:nth-of-type(4); heading: Common Name(s):; Trifolium dubium.
  • Yellow Shamrock — ul#common_names > li:nth-of-type(5); heading: Common Name(s):; Trifolium dubium.
  • Yellow Suckling Clover — ul#common_names > li:nth-of-type(6); heading: Common Name(s):; Trifolium dubium.
Plant references

Source-backed information

Published observations for this plant. Each reference supports the information beside it.

Taxonomy
Trifolium dubium is an accepted species in Catalogue of Life.

Taxonomic treatment in the August 2026 release; the catalogue record name is preserved.

Sources [1]
Botanical family
Fabaceae

Family in the cited taxonomic treatment.

Sources [1]
Plant habit
Ascending

NC State Extension profile.

Sources [2]
Life cycle
Annual

NC State Extension profile.

Sources [2]
Growth rate
Rapid

NC State Extension profile.

Sources [2]
Foliage
Deciduous

NC State Extension profile.

Sources [2]
Light
Full sun (6 or more hours of direct sunlight a day)

NC State Extension profile.

Sources [2]
Moisture and drainage
Good Drainage; Moist

NC State Extension profile.

Sources [2]
Soil texture
Clay; Loam (Silt); Sand

NC State Extension profile.

Sources [2]
Soil pH
Acid (<6.0); Alkaline (>8.0); Neutral (6.0-8.0)

NC State Extension profile. These source categories do not certify the catalogue’s numeric pH interval.

Sources [2]
Flowering season
Autumn; Spring; Summer

NC State Extension profile. Seasons reflect the source region and do not verify the catalogue’s exact flowering months.

Sources [2]
Native range
Macronesia, Europe

NC State Extension profile. Origin reported by the source; this is not a claim of local nativeness.

Sources [2]
Reported wildlife attraction
Listed as attracting: bees, butterflies, pollinators.

NC State Extension profile. Broad wildlife categories; this does not establish flower visits by a named bee species or quantify nectar and pollen.

Sources [2]
Catalogue ratings

Who this plant supports

Honey bees

Medium suitability
Nectar value Medium
Pollen value Unknown
Plant profile

About this plant

Cowhop Clover (Trifolium dubium) is a herbaceous plant. It flowers from May to September.

Sources and references

References for the information marked with source numbers on this page.

Sources checked
  1. Catalogue of Life Trifolium dubium — Catalogue of Life COL26.8

    COL26.8 (2026-08-20). Contributing checklist: The World Checklist of Vascular Plants (WCVP): Fabaceae. This is taxonomic evidence, not an independent ecological study.

    Supports: TaxonomyBotanical family
    Relevant sections
    • Taxonomy: NameUsage.tsv line 1427100; ID 58PT2; rank species; status accepted
    • Botanical family: NameUsage.tsv line 1427100; ID 58PT2; rank species; status accepted

    Source checked on .

    Source data licence: CC BY 4.0.

  2. NC State Extension Trifolium dubium — Plant Toolbox

    NC State Extension Gardener Plant Toolbox. Growing conditions and seasons reflect its United States horticultural context.

    Supports: Plant habitLife cycleGrowth rateFoliageLightMoisture and drainageSoil textureSoil pHFlowering seasonNative rangeReported wildlife attraction
    Relevant sections
    • Plant habit: Habit/Form
    • Life cycle: Life Cycle
    • Growth rate: Growth Rate
    • Foliage: Woody Plant Leaf Characteristics
    • Light: Light
    • Moisture and drainage: Soil Drainage
    • Soil texture: Soil Texture
    • Soil pH: Soil pH
    • Flowering season: Flower Bloom Time
    • Native range: Country Or Region Of Origin
    • Reported wildlife attraction: Attracts

    Source checked on .