Data sources

Each value Trefle shows for Sison segetum, 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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Sourced5 Differs from sources2 Source not recorded11 Not on the record4 Sources: TRY Plant Trait Database

Field	Shown	What the sources say
Core
Author	L.	No source recorded	Source not recorded
Bibliography	Nova Acta Phys.-Med. Acad. Caes. Leop.-Carol. Nat. Cur. 12(1): 128 (1824)	No source recorded	Source not recorded
Rank	species	No source recorded	Source not recorded
Status	accepted	No source recorded	Source not recorded
Year	1824	No source recorded	Source not recorded
Descriptive
Family common name	Carrot family	No source recorded	Source not recorded
Observations	W. & SW. Europe to C. Italy	No source recorded	Source not recorded
Morphology
Average height	48 cm	47.5 cm · TRY Plant Trait Database · Measured · 4 observations · 2026-10-09 TRY 7.0 datasets 25, 116, 174, 178	Differs from sources
Biological type	hemicryptophyte	hemicryptophyte · TRY Plant Trait Database · Measured · 3 observations · 2026-10-09 TRY 7.0 datasets 174, 178	Sourced
Maximum height	100 cm	100 cm · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 25, 116, 174, 178	Sourced
Vegetable	false	No source recorded	Source not recorded
Phenology
Bloom months	feb	feb · TRY Plant Trait Database · Measured · 3 observations · 2026-10-09 TRY 7.0 datasets 174	Sourced
Duration	empty	biennial · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 178	Not on the record
Ecology
Atmospheric humidity	5 / 9 · medium air humidity	No source recorded	Source not recorded
Ground humidity	empty	5 / 12 · fresh, never flooded (mesohydric) · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 178	Not on the record
Light	8 / 9 · light	8 / 9 · light · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 178	Sourced
Ph maximum	pH 6.5	No source recorded	Source not recorded
Ph minimum	pH 5.5	No source recorded	Source not recorded
Soil nutriments	7 / 9 · rich (eutrophic)	6 / 9 · rather rich (meso-eutrophic) · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 178	Differs from sources
Soil salinity	0 / 9 · absent from saline soils	0 / 9 · absent from saline soils · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 178	Sourced
Other
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	—	8 · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 178	Not on the record

Sison segetum L., 1824 27% complete

No common name

Data sources

Sison segetum L., 1824 27% complete

No common name

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

Data sources