Data sources

Each value Trefle shows for Pedicularis verticillata, 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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Sourced6 Differs from sources2 Source not recorded15 Not on the record5 Sources: TRY Plant Trait Database

Field	Shown	What the sources say
Core
Author	L.	No source recorded	Source not recorded
Bibliography	Sp. Pl.: 608 (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	Whorled lousewort	No source recorded	Source not recorded
Observations	Subarctic & Subalpine Eurasia, Alaska to NW. & W. British Columbia	No source recorded	Source not recorded
Morphology
Average height	9 cm	8.7 cm · TRY Plant Trait Database · Measured · 75 observations · 2026-10-09 TRY 7.0 datasets 25, 164, 421, 468, 547	Differs from sources
Biological type	hemicryptophyte	hemicryptophyte · TRY Plant Trait Database · Measured · 7 observations · 2026-10-09 TRY 7.0 datasets 4, 25, 71, 164, 175, 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	23 cm	22.5 cm · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 25, 164, 421, 468, 547	Differs from sources
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	jun, jul, aug, sep	No source recorded	Source not recorded
Duration	perennial	perennial · TRY Plant Trait Database · Measured · 5 observations · 2026-10-09 TRY 7.0 datasets 4, 164, 175, 460, 918	Sourced
Ecology
Atmospheric humidity	6 / 9 · moderately humid air	No source recorded	Source not recorded
Light	8 / 9 · light	No source recorded	Source not recorded
Nitrogen fixation	None	None · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 71, 445	Sourced
Ph maximum	pH 8	No source recorded	Source not recorded
Ph minimum	pH 7.5	No source recorded	Source not recorded
Soil nutriments	2 / 9 · very poor (peroligotrophic)	2 / 9 · very poor (peroligotrophic) · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 242	Sourced
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 242	Sourced
Other
Soil ph indicator	—	8 · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 242	Not on the record
Temperature indicator	—	3 · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 242	Not on the record

Pedicularis verticillata L., 1753 37% complete

Whorled lousewort

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Data sources