Index / Search / Trifolium ambiguum
§1 Plant
Trifolium ambiguum M. Bieb.
vernacular Kura clover — species · Fabaceae
§2Habit & range
Habit and range
- Growth habit
- Forb/herb
- Duration
- Perennial
- Group
- Dicot
- Family
- Fabaceae Lindl.
- Genus
- Trifolium
§2a
Native status, by region
- L48 Lower 48 States Introduced
§2b
County-level range
· 1 county across 1 state§3Cultivation specs · USDA
Recorded by the USDA Plant Materials Program.
§3a
Tolerances
- Drought
- Medium
- Shade
- High
- Moisture use
- Medium
- Fire
- Medium
- Salinity
- None
- Anaerobic
- Low
- CaCO₃
- Medium
- Hedging
- None
§3b
Climate & soil
- Cold tolerance
- -34 °F minimum
- Frost-free days
- 160 min.
- Precipitation
- 20–50 in/yr
- pH range
- 5.7–7.4
- Root depth
- 12 in min.
- Fertility need
- Medium
- Soil texture
- medium, fine
§3c
Form & growth
- Growth form
- Rhizomatous
- Growth rate
- Slow
- Lifespan
- Moderate
- Mature height
- 1.5 ft
- Foliage texture
- Fine
- Foliage colour
- Green
- Porosity (summer)
- Moderate
- Porosity (winter)
- Porous
- Flower colour
- White
- Fruit colour
- Brown
- Fire resistant
- No
- N fixation
- Low
- Toxicity
- Slight
§3d
Reproduction
- Bloom period
- Early Summer
- Seed abundance
- High
- Seed begins
- Summer
- Seed ends
- Summer
- Spread rate
- Slow
- Stratify
- No
- Seeds / lb
- 152,212
- Propagation
- seed
§3e
Use & availability
- Commercial availability
- Routinely Available
- Nursery stock
- No
- Browse palatability
- High
- Graze palatability
- High
- Palatable, human
- No
- Protein potential
- High
- Lumber
- No
- Christmas tree
- No
§4Counties, by state
Recorded in 1 county across 1 state.
Ohio view state ↗ 1 I ▾
§5Sources & provenance
USDA PLANTS
Symbol, taxonomy, distribution, cultivation specs, native status. Public domain.
plants.usda.gov/TRAM15 ↗GBIF Backbone
Canonical taxonomic identity, synonym resolution, cross-refs. CC0.
gbif.org/species/5359385 ↗Record version
Cached and built locally. Source version on this record:
usda-plants-mt-2026-05-26
fetched 2026-05-26T16:37:38Z