Data sources

Each value Trefle shows for Trifolium medium, with what every source says about it. When sources disagree, the strongest source is shown (how sources are ranked). Values imported before sources were recorded one by one are marked Source not recorded.

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Sourced18 Differs from sources1 Source not recorded10 Not on the record6 Sources: TRY Plant Trait Database, Earlier Trefle data

Field	Shown	What the sources say
Core
Author	L.	No source recorded	Source not recorded
Bibliography	Amoen. Acad. 4: 105 (1759)	No source recorded	Source not recorded
Phylum	Tracheophyta	No source recorded	Source not recorded
Rank	species	No source recorded	Source not recorded
Status	accepted	No source recorded	Source not recorded
Year	1759	No source recorded	Source not recorded
Descriptive
Common name	Mammoth clover	No source recorded	Source not recorded
Observations	Europe to W. Siberia and Iran	No source recorded	Source not recorded
Morphology
Average height	40 cm	40 cm · TRY Plant Trait Database · Measured · 6 observations · 2026-10-09 TRY 7.0 datasets 25, 45, 71, 174, 175, 178, 203, 251	Sourced
Biological type	hemicryptophyte	hemicryptophyte · TRY Plant Trait Database · Measured · 12 observations · 2026-10-09 TRY 7.0 datasets 4, 25, 71, 174, 175, 178, 203, 500, 918	Sourced
Flower color	red	red · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 4	Sourced
Flower conspicuous	true	true · Earlier Trefle data · Reported · 2026-10-19 value present before provenance tracking (2022 import), no source recorded	Sourced
Foliage texture	fine	medium · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 4, 71	Differs from sources
Fruit conspicuous	false	No source recorded	Source not recorded
Fruit shape	empty	legume · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 4	Not on the record
Growth form	Single Crown	Single Crown · Earlier Trefle data · Reported · 2026-10-19 value present before provenance tracking (2022 import), no source recorded	Sourced
Growth habit	Forb/herb	Forb/herb · Earlier Trefle data · Reported · 2026-10-19 value present before provenance tracking (2022 import), no source recorded	Sourced
Growth rate	Rapid	Rapid · Earlier Trefle data · Reported · 2026-10-19 value present before provenance tracking (2022 import), no source recorded	Sourced
Maximum height	45 cm	45 cm · TRY Plant Trait Database · Measured · 4 observations · 2026-10-09 TRY 7.0 datasets 25, 45, 71, 174, 175, 178, 203, 251	Sourced
Sexuality	empty	hermaphrodite · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 4	Not on the record
Vegetable	false	No source recorded	Source not recorded
Phenology
Bloom months	jun, jul	jun, jul · TRY Plant Trait Database · Measured · 8 observations · 2026-10-20 TRY 7.0 datasets 4, 45, 174, 203 1 earlier or rejected value Superseded feb, jun, jul · TRY Plant Trait Database · Measured · 8 observations · 2026-10-09 TRY 7.0 datasets 4, 45, 174, 203	Sourced
Duration	perennial	perennial · TRY Plant Trait Database · Measured · 8 observations · 2026-10-09 TRY 7.0 datasets 4, 25, 71, 175, 178, 203, 918	Sourced
Ecology
Atmospheric humidity	5 / 9 · medium air humidity	5 / 9 · medium air humidity · Earlier Trefle data · Reported · 2026-10-19 value present before provenance tracking (2022 import), no source recorded	Sourced
Ground humidity	5 / 12 · fresh, never flooded (mesohydric)	5 / 12 · fresh, never flooded (mesohydric) · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 178, 203	Sourced
Light	7 / 9 · half-light to light	7 / 9 · half-light to light · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 178	Sourced
Nitrogen fixation	High	High · TRY Plant Trait Database · Measured · 6 observations · 2026-10-09 TRY 7.0 datasets 71, 444, 445	Sourced
Ph maximum	pH 7.5	pH 7.5 · Earlier Trefle data · Inferred · 2026-10-19 value present before provenance tracking (2022 import), no source recorded derived from a Baseflor soil reaction class by the 2022 import, a class not a measurement	Sourced
Ph minimum	pH 7	pH 7 · Earlier Trefle data · Inferred · 2026-10-19 value present before provenance tracking (2022 import), no source recorded derived from a Baseflor soil reaction class by the 2022 import, a class not a measurement	Sourced
Soil nutriments	4 / 9 · rather poor (meso-oligotrophic)	4 / 9 · rather poor (meso-oligotrophic) · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 178, 242	Sourced
Soil salinity	0 / 9 · absent from saline soils	0 / 9 · absent from saline soils · TRY Plant Trait Database · Measured · 3 observations · 2026-10-09 TRY 7.0 datasets 178, 242, 489	Sourced
Other
Propagation method	—	seed, vegetative · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 174	Not on the record
Shade tolerance	—	None · TRY Plant Trait Database · Measured · 4 observations · 2026-10-09 TRY 7.0 datasets 174	Not on the record
Soil ph indicator	—	6 · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 178	Not on the record
Temperature indicator	—	6 · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 203, 242	Not on the record

Trifolium medium L., 1759 50% complete

Mammoth clover

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Data sources