Data sources

Each value Trefle shows for Viburnum opulus, 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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Sourced20 Differs from sources1 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.: 268 (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	Crampbark	No source recorded	Source not recorded
Observations	Europe to Siberia and Türkiye, N. Algeria	No source recorded	Source not recorded
Morphology
Average height	240 cm	240 cm · TRY Plant Trait Database · Measured · 32 observations · 2026-10-09 TRY 7.0 datasets 25, 28, 37, 68, 86, 88, 92, 174, 178, 251, 500, 554, 818, 898, 925	Sourced
Biological type	phanerophyte	phanerophyte · TRY Plant Trait Database · Measured · 125 observations · 2026-10-09 TRY 7.0 datasets 4, 25, 71, 174, 178, 203, 500, 918, 925	Sourced
Flower color	white	white · TRY Plant Trait Database · Measured · 3 observations · 2026-10-09 TRY 7.0 datasets 4, 92	Sourced
Flower conspicuous	true	true · Earlier Trefle data · Reported · 2026-10-19 value present before provenance tracking (2022 import), no source recorded	Sourced
Foliage color	empty	green · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Not on the record
Foliage texture	coarse	medium · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 4, 71, 92	Differs from sources
Fruit color	empty	red · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Not on the record
Fruit conspicuous	true	true · Earlier Trefle data · Reported · 2026-10-19 value present before provenance tracking (2022 import), no source recorded	Sourced
Fruit shape	empty	drupe · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 4	Not on the record
Growth form	Multiple Stem	Multiple Stem · Earlier Trefle data · Reported · 2026-10-19 value present before provenance tracking (2022 import), no source recorded	Sourced
Growth habit	Tree, Shrub	Tree, Shrub · Earlier Trefle data · Reported · 2026-10-19 value present before provenance tracking (2022 import), no source recorded	Sourced
Growth rate	Slow	Slow · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Sourced
Maximum height	400 cm	400 cm · TRY Plant Trait Database · Measured · 3 observations · 2026-10-09 TRY 7.0 datasets 25, 28, 37, 68, 86, 88, 92, 174, 178, 251, 500, 554, 818, 898, 925	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	may, jun	may, jun · TRY Plant Trait Database · Measured · 7 observations · 2026-10-20 TRY 7.0 datasets 4, 37, 174, 203 1 earlier or rejected value Superseded feb, may · TRY Plant Trait Database · Measured · 7 observations · 2026-10-09 TRY 7.0 datasets 4, 37, 174, 203	Sourced
Duration	perennial	perennial · TRY Plant Trait Database · Measured · 129 observations · 2026-10-09 TRY 7.0 datasets 4, 25, 28, 37, 71, 86, 92, 178, 460, 818, 918, 925	Sourced
Ecology
Atmospheric humidity	8 / 9 · very humid air	8 / 9 · very humid air · Earlier Trefle data · Reported · 2026-10-19 value present before provenance tracking (2022 import), no source recorded	Sourced
Ground humidity	7 / 12 · wet, flooded a few weeks a year (hygrophilous)	7 / 12 · wet, flooded a few weeks a year (hygrophilous) · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 178, 489	Sourced
Light	6 / 9 · half-shade to half-light	6 / 9 · half-shade to half-light · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 178, 489	Sourced
Nitrogen fixation	None	None · TRY Plant Trait Database · Measured · 16 observations · 2026-10-09 TRY 7.0 datasets 20, 37, 57, 71, 89, 110, 444, 445	Sourced
Ph maximum	pH 7	pH 7 · Earlier Trefle data · Reported · 2026-10-19 value present before provenance tracking (2022 import), no source recorded	Sourced
Ph minimum	pH 5.2	pH 5.2 · Earlier Trefle data · Reported · 2026-10-19 value present before provenance tracking (2022 import), no source recorded	Sourced
Soil nutriments	6 / 9 · rather rich (meso-eutrophic)	6 / 9 · rather rich (meso-eutrophic) · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 178	Sourced
Soil salinity	0 / 9 · absent from saline soils	0 / 9 · absent from saline soils · TRY Plant Trait Database · Measured · 3 observations · 2026-10-09 TRY 7.0 datasets 178, 242, 489	Sourced
Cultivation
Minimum root depth	36 cm	36 cm · TRY Plant Trait Database · Measured · 7 observations · 2026-10-09 TRY 7.0 datasets 37, 92, 818, 898	Sourced
Usda legacy
C n ratio	empty	27.2 · TRY Plant Trait Database · Measured · 12 observations · 2026-10-09 TRY 7.0 datasets 412, 554, 670	Not on the record
Other
Human usage type	—	nursery_stock · TRY Plant Trait Database · Reported · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Not on the record
Propagation method	—	seed · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 92, 174	Not on the record
Salt tolerance	—	None · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Not on the record
Soil ph indicator	—	7 · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 178, 203	Not on the record
Temperature indicator	—	5 · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 203	Not on the record

Viburnum opulus L., 1753 52% complete

Crampbark

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Data sources