Data sources

Each value Trefle shows for Pastinaca sativa, 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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Sourced17 Differs from sources2 Source not recorded9 Not on the record5 Sources: TRY Plant Trait Database, Earlier Trefle data

Field	Shown	What the sources say
Core
Author	L.	No source recorded	Source not recorded
Bibliography	Sp. Pl.: 262 (1753)	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	1753	No source recorded	Source not recorded
Descriptive
Common name	Wild parsnip	No source recorded	Source not recorded
Family common name	Carrot family	No source recorded	Source not recorded
Observations	Europe to C. Siberia and Lebanon	No source recorded	Source not recorded
Morphology
Average height	43 cm	43 cm · TRY Plant Trait Database · Measured · 68 observations · 2026-10-09 TRY 7.0 datasets 25, 28, 116, 174, 178, 203, 251, 347, 589, 818, 866, 882, 897, 898, 918, 925, 926	Sourced
Biological type	hemicryptophyte	hemicryptophyte · TRY Plant Trait Database · Measured · 217 observations · 2026-10-09 TRY 7.0 datasets 4, 25, 71, 174, 178, 500, 918, 925	Sourced
Flower color	yellow	yellow · TRY Plant Trait Database · Measured · 3 observations · 2026-10-09 TRY 7.0 datasets 4, 882	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	medium	medium · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 4, 71	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
Maximum height	180 cm	180 cm · TRY Plant Trait Database · Measured · 4 observations · 2026-10-09 TRY 7.0 datasets 25, 28, 116, 174, 178, 203, 251, 347, 589, 818, 866, 882, 897, 898, 918, 925, 926	Sourced
Sexuality	empty	andromonoecious · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 4	Not on the record
Vegetable	true	true · Earlier Trefle data · Reported · 2026-10-19 value present before provenance tracking (2022 import), no source recorded	Sourced
Phenology
Bloom months	jul	jul · TRY Plant Trait Database · Measured · 5 observations · 2026-10-20 TRY 7.0 datasets 4, 174, 203 1 earlier or rejected value Superseded feb, jul · TRY Plant Trait Database · Measured · 5 observations · 2026-10-09 TRY 7.0 datasets 4, 174, 203	Sourced
Duration	biennial, perennial	biennial, perennial · TRY Plant Trait Database · Measured · 219 observations · 2026-10-09 TRY 7.0 datasets 4, 28, 71, 178, 203, 818, 882, 918, 925	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	8 / 9 · light · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 178, 489	Differs from sources
Nitrogen fixation	None	None · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 71, 445	Sourced
Ph maximum	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
Ph minimum	pH 6.5	pH 6.5 · 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
Soil nutriments	6 / 9 · rather rich (meso-eutrophic)	5 / 9 · intermediate (mesotrophic) · 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 · 2 observations · 2026-10-09 TRY 7.0 datasets 178, 242	Sourced
Cultivation
Minimum root depth	127 cm	127 cm · TRY Plant Trait Database · Measured · 4 observations · 2026-10-09 TRY 7.0 datasets 818	Sourced
Usda legacy
C n ratio	empty	16.2 · TRY Plant Trait Database · Measured · 7 observations · 2026-10-09 TRY 7.0 datasets 228, 347	Not on the record
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 · 2 observations · 2026-10-09 TRY 7.0 datasets 178, 242	Not on the record
Temperature indicator	—	7 · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 203, 242	Not on the record

Pastinaca sativa L., 1753 43% complete

Wild parsnip

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Data sources