Data sources

Each value Trefle shows for Polycnemum majus, 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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Sourced7 Differs from sources3 Source not recorded14 Not on the record4 Sources: TRY Plant Trait Database

Field	Shown	What the sources say
Core
Author	A.Braun ex Bogenh.	No source recorded	Source not recorded
Bibliography	Flora 24: 151 (1841)	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	1841	No source recorded	Source not recorded
Descriptive
Common name	Giant needleleaf	No source recorded	Source not recorded
Observations	Europe to NW. Türkiye and C. Asia	No source recorded	Source not recorded
Morphology
Average height	15 cm	15 cm · TRY Plant Trait Database · Measured · 3 observations · 2026-10-09 TRY 7.0 datasets 25, 164, 500	Sourced
Biological type	therophyte	therophyte · TRY Plant Trait Database · Measured · 7 observations · 2026-10-09 TRY 7.0 datasets 4, 25, 71, 164, 500, 918	Sourced
Flower color	white	green · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 4	Differs from sources
Fruit shape	empty	nut · 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	20 cm	20 cm · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 25, 164, 500	Sourced
Vegetable	false	No source recorded	Source not recorded
Phenology
Bloom months	jun, jul, aug, sep	No source recorded	Source not recorded
Duration	annual	annual · TRY Plant Trait Database · Measured · 4 observations · 2026-10-09 TRY 7.0 datasets 4, 164, 818, 918	Sourced
Ecology
Atmospheric humidity	3 / 9 · rather dry air	No source recorded	Source not recorded
Ground humidity	4 / 12 · moderately dry (meso-xerophilous)	4 / 12 · moderately dry (meso-xerophilous) · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 242, 489	Sourced
Light	8 / 9 · light	9 / 9 · full sun · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 489	Differs from sources
Nitrogen fixation	empty	None · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 71	Not on the record
Ph maximum	pH 8	No source recorded	Source not recorded
Ph minimum	pH 7.5	No source recorded	Source not recorded
Soil nutriments	5 / 9 · intermediate (mesotrophic)	4 / 9 · rather poor (meso-oligotrophic) · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 242, 489	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 242, 489	Sourced
Cultivation
Minimum root depth	61 cm	61 cm · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 818	Sourced
Other
Soil ph indicator	—	8 · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 242, 489	Not on the record
Temperature indicator	—	7 · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 242	Not on the record

Polycnemum majus A.Braun ex Bogenh., 1841 39% complete

Giant needleleaf

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Data sources