Data sources

Each value Trefle shows for Euphorbia portlandica, 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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Sourced2 Differs from sources3 Source not recorded9 Not on the record10 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.: 458 (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	Portland spurge	No source recorded	Source not recorded
Observations	W. Europe	No source recorded	Source not recorded
Morphology
Average height	21 cm	21.25 cm · TRY Plant Trait Database · Measured · 4 observations · 2026-10-09 TRY 7.0 datasets 25, 174, 178, 251	Differs from sources
Biological type	chamaephyte	chamaephyte · TRY Plant Trait Database · Measured · 4 observations · 2026-10-09 TRY 7.0 datasets 174, 178, 600	Sourced
Flower color	yellow	yellow · Earlier Trefle data · Reported · 2026-10-19 value present before provenance tracking (2022 import), no source recorded	Sourced
Fruit shape	empty	capsule · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 600	Not on the record
Maximum height	38 cm	37.5 cm · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 25, 174, 178, 251	Differs from sources
Sexuality	empty	monoecious · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 365	Not on the record
Vegetable	false	No source recorded	Source not recorded
Phenology
Bloom months	may, jun, jul	may\|jun\|jul · Earlier Trefle data · Reported · 2026-10-19 value present before provenance tracking (2022 import), no source recorded	Differs from sources
Duration	empty	perennial · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 178	Not on the record
Ecology
Ground humidity	empty	3 / 12 · rather dry (xerophilous) · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 178	Not on the record
Light	empty	8 / 9 · light · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 178	Not on the record
Soil nutriments	empty	3 / 9 · poor (oligotrophic) · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 178	Not on the record
Soil salinity	empty	3 / 9 · slightly saline (oligohaline) · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 178	Not on the record
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 · 4 observations · 2026-10-09 TRY 7.0 datasets 174	Not on the record
Soil ph indicator	—	7 · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 178	Not on the record

Euphorbia portlandica L., 1753 18% complete

Portland spurge

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Data sources