Data sources

Each value Trefle shows for Rubus ulmifolius, 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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Sourced18 Source not recorded10 Not on the record6 Sources: TRY Plant Trait Database, Earlier Trefle data

Field	Shown	What the sources say
Core
Author	Schott	No source recorded	Source not recorded
Bibliography	Isis (Oken) 2: 821 (1818)	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	1818	No source recorded	Source not recorded
Descriptive
Common name	Elm-leaf blackberry	No source recorded	Source not recorded
Family common name	Rose family	No source recorded	Source not recorded
Observations	Europe to Medit.	No source recorded	Source not recorded
Morphology
Average height	98 cm	98 cm · TRY Plant Trait Database · Measured · 65 observations · 2026-10-09 TRY 7.0 datasets 25, 28, 68, 86, 92, 116, 158, 161, 175, 544, 654, 882	Sourced
Biological type	phanerophyte	phanerophyte · TRY Plant Trait Database · Measured · 3 observations · 2026-10-09 TRY 7.0 datasets 4, 158, 175, 544, 918	Sourced
Flower color	white, magenta	magenta, white · TRY Plant Trait Database · Measured · 7 observations · 2026-10-09 TRY 7.0 datasets 4, 92, 882	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	coarse · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 4, 92	Sourced
Fruit color	red, black	black, red · TRY Plant Trait Database · Measured · 7 observations · 2026-10-09 TRY 7.0 datasets 92, 882	Sourced
Fruit shape	drupe	drupe · TRY Plant Trait Database · Measured · 6 observations · 2026-10-09 TRY 7.0 datasets 4, 882	Sourced
Growth habit	Vine, Subshrub	Vine, Subshrub · Earlier Trefle data · Reported · 2026-10-19 value present before provenance tracking (2022 import), no source recorded	Sourced
Growth rate	empty	Rapid · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Not on the record
Maximum height	175 cm	175 cm · TRY Plant Trait Database · Measured · 4 observations · 2026-10-09 TRY 7.0 datasets 25, 28, 68, 86, 92, 116, 158, 161, 175, 544, 654, 882	Sourced
Sexuality	hermaphrodite	hermaphrodite · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 4, 365	Sourced
Vegetable	false	No source recorded	Source not recorded
Phenology
Duration	annual, perennial	annual, perennial · TRY Plant Trait Database · Measured · 26 observations · 2026-10-09 TRY 7.0 datasets 4, 28, 86, 92, 175, 432, 818, 882, 918	Sourced
Fruit months	empty	jan, feb, dec · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 882	Not on the record
Ecology
Atmospheric humidity	5 / 9 · medium air humidity	5 / 9 · medium air humidity · Earlier Trefle data · Reported · 2026-10-19 value present before provenance tracking (2022 import), no source recorded	Sourced
Light	8 / 9 · light	8 / 9 · light · Earlier Trefle data · Reported · 2026-10-19 value present before provenance tracking (2022 import), no source recorded	Sourced
Nitrogen fixation	None	None · TRY Plant Trait Database · Measured · 9 observations · 2026-10-09 TRY 7.0 datasets 20, 57, 71, 444, 445	Sourced
Ph maximum	pH 6.5	pH 6.5 · Earlier Trefle data · Inferred · 2026-10-19 value present before provenance tracking (2022 import), no source recorded derived from a Baseflor soil reaction class by the 2022 import, a class not a measurement	Sourced
Ph minimum	pH 5.5	pH 5.5 · Earlier Trefle data · Inferred · 2026-10-19 value present before provenance tracking (2022 import), no source recorded derived from a Baseflor soil reaction class by the 2022 import, a class not a measurement	Sourced
Soil nutriments	5 / 9 · intermediate (mesotrophic)	5 / 9 · intermediate (mesotrophic) · Earlier Trefle data · Reported · 2026-10-19 value present before provenance tracking (2022 import), no source recorded	Sourced
Soil salinity	0 / 9 · absent from saline soils	0 / 9 · absent from saline soils · Earlier Trefle data · Reported · 2026-10-19 value present before provenance tracking (2022 import), no source recorded	Sourced
Cultivation
Minimum root depth	70 cm	70 cm · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 92, 432	Sourced
Usda legacy
C n ratio	empty	19.8 · TRY Plant Trait Database · Measured · 6 observations · 2026-10-09 TRY 7.0 datasets 227, 412	Not on the record
Other
Salt tolerance	—	None · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Not on the record
Shade tolerance	—	Deep · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Not on the record

Rubus ulmifolius Schott, 1818 47% complete

Elm-leaf blackberry

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Data sources