Data sources

Each value Trefle shows for Epilobium anagallidifolium, 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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Sourced9 Differs from sources2 Source not recorded13 Not on the record6 Sources: TRY Plant Trait Database

Field	Shown	What the sources say
Core
Author	Lam.	No source recorded	Source not recorded
Bibliography	Encycl. 2: 376 (1786)	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	1786	No source recorded	Source not recorded
Descriptive
Common name	Pimpernel willowherb	No source recorded	Source not recorded
Observations	Subarctic & Temp. Northern Hemisphere	No source recorded	Source not recorded
Morphology
Average height	6 cm	5.75 cm · TRY Plant Trait Database · Measured · 10 observations · 2026-10-09 TRY 7.0 datasets 25, 45, 174, 178, 251, 500, 918	Differs from sources
Biological type	hemicryptophyte	hemicryptophyte · TRY Plant Trait Database · Measured · 14 observations · 2026-10-09 TRY 7.0 datasets 4, 25, 71, 174, 178, 500, 580, 918	Sourced
Flower color	purple	purple · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 4	Sourced
Foliage texture	empty	fine · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 4	Not on the record
Fruit shape	empty	capsule · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 4	Not on the record
Growth habit	Forb/herb	No source recorded	Source not recorded
Maximum height	10 cm	10 cm · TRY Plant Trait Database · Measured · 4 observations · 2026-10-09 TRY 7.0 datasets 25, 45, 174, 178, 251, 500, 918	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	jul, aug	feb, jul, aug · TRY Plant Trait Database · Measured · 6 observations · 2026-10-09 TRY 7.0 datasets 4, 45, 174	Differs from sources
Duration	perennial	perennial · TRY Plant Trait Database · Measured · 4 observations · 2026-10-09 TRY 7.0 datasets 4, 25, 178, 918	Sourced
Ecology
Atmospheric humidity	8 / 9 · very humid air	No source recorded	Source not recorded
Ground humidity	8 / 12 · very wet, flooded several months a year (hydrophilous)	8 / 12 · very wet, flooded several months a year (hydrophilous) · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 178, 242	Sourced
Light	8 / 9 · light	8 / 9 · light · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 178	Sourced
Nitrogen fixation	None	None · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 71, 445	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	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 · 4 observations · 2026-10-09 TRY 7.0 datasets 174, 178, 242, 489	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	—	5 · TRY Plant Trait Database · Measured · 3 observations · 2026-10-09 TRY 7.0 datasets 178, 242, 489	Not on the record
Temperature indicator	—	2 · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 242	Not on the record

Epilobium anagallidifolium Lam., 1786 39% complete

Pimpernel willowherb

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

Data sources