Data sources

Each value Trefle shows for Trifolium strictum, 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.

Something wrong? Suggest a correction.

Sourced7 Differs from sources1 Source not recorded9 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	Cent. Pl. I: 24 (1755)	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	1755	No source recorded	Source not recorded
Descriptive
Common name	Upright clover	No source recorded	Source not recorded
Observations	Europe to Türkiye, N. Africa	No source recorded	Source not recorded
Morphology
Average height	9 cm	9 cm · TRY Plant Trait Database · Measured · 5 observations · 2026-10-09 TRY 7.0 datasets 25, 164, 174, 178, 270	Sourced
Biological type	therophyte	therophyte · TRY Plant Trait Database · Measured · 6 observations · 2026-10-09 TRY 7.0 datasets 164, 174, 178	Sourced
Flower color	purple	purple · Earlier Trefle data · Reported · 2026-10-19 value present before provenance tracking (2022 import), no source recorded	Sourced
Maximum height	15 cm	15 cm · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 25, 164, 174, 178, 270	Sourced
Vegetable	false	No source recorded	Source not recorded
Phenology
Bloom months	may, jun	may\|jun · Earlier Trefle data · Reported · 2026-10-19 value present before provenance tracking (2022 import), no source recorded	Differs from sources
Duration	annual	annual · TRY Plant Trait Database · Measured · 3 observations · 2026-10-09 TRY 7.0 datasets 164, 178, 882	Sourced
Ecology
Ground humidity	empty	2 / 12 · dry (perxerophilous) · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 178	Not on the record
Light	empty	9 / 9 · full sun · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 178	Not on the record
Nitrogen fixation	High	High · TRY Plant Trait Database · Measured · 7 observations · 2026-10-09 TRY 7.0 datasets 71, 444	Sourced
Soil nutriments	empty	2 / 9 · very poor (peroligotrophic) · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 178	Not on the record
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 174, 178	Sourced
Other
Propagation method	—	seed · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 174	Not on the record
Shade tolerance	—	None · TRY Plant Trait Database · Measured · 8 observations · 2026-10-09 TRY 7.0 datasets 174	Not on the record
Soil ph indicator	—	5 · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 178	Not on the record

Trifolium strictum L., 1755 25% complete

Upright clover

.fa-secondary{opacity:.4} Data sources

Data sources