Data sources

Each value Trefle shows for Nerium oleander, 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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Sourced17 Differs from sources1 Source not recorded10 Not on the record8 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.: 209 (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	Oleander	No source recorded	Source not recorded
Observations	Medit. to Myanmar	No source recorded	Source not recorded
Morphology
Average height	366 cm	365.76 cm · TRY Plant Trait Database · Measured · 15 observations · 2026-10-09 TRY 7.0 datasets 68, 92, 175, 214, 251, 429, 523, 668, 882, 918	Differs from sources
Biological type	phanerophyte	phanerophyte · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 175, 350, 918	Sourced
Flower color	red, magenta	magenta, red · TRY Plant Trait Database · Measured · 3 observations · 2026-10-20 TRY 7.0 datasets 92, 350, 668, 882 1 earlier or rejected value Superseded magenta, red · TRY Plant Trait Database · Measured · 3 observations · 2026-10-09 TRY 7.0 datasets 92, 350, 668, 882	Sourced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· TRY Plant Trait Database · Measured · 1 observation · 2026-10-20 TRY 7.0 datasets 92 1 earlier or rejected value Superseded green · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Not on the record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· TRY Plant Trait Database · Measured · 1 observation · 2026-10-20 TRY 7.0 datasets 92 1 earlier or rejected value Superseded coarse · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Sourced
Fruit color	empty	brown · TRY Plant Trait Database · Measured · 1 observation · 2026-10-20 TRY 7.0 datasets 92 1 earlier or rejected value Superseded brown · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Not on the record
Fruit conspicuous	false	No source recorded	Source not recorded
Fruit shape	follicle	follicle · TRY Plant Trait Database · Measured · 4 observations · 2026-10-20 TRY 7.0 datasets 350, 882 1 earlier or rejected value Superseded follicle · TRY Plant Trait Database · Measured · 4 observations · 2026-10-09 TRY 7.0 datasets 350, 882	Sourced
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	Rapid	Rapid · TRY Plant Trait Database · Measured · 1 observation · 2026-10-20 TRY 7.0 datasets 92 1 earlier or rejected value Superseded Rapid · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Sourced
Inflorescence type	empty	cyme · TRY Plant Trait Database · Measured · 1 observation · 2026-10-20 TRY 7.0 datasets 350 1 earlier or rejected value Superseded cyme · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 350	Not on the record
Maximum height	400 cm	400 cm · TRY Plant Trait Database · Measured · 4 observations · 2026-10-09 TRY 7.0 datasets 68, 92, 175, 214, 251, 429, 523, 668, 882, 918	Sourced
Vegetable	false	No source recorded	Source not recorded
Phenology
Duration	perennial	perennial · TRY Plant Trait Database · Measured · 10 observations · 2026-10-09 TRY 7.0 datasets 25, 92, 460, 882, 918	Sourced
Ecology
Atmospheric humidity	7 / 9 · humid air	7 / 9 · humid air · 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 · 13 observations · 2026-10-20 TRY 7.0 datasets 20, 57, 67, 71, 110, 444, 445 1 earlier or rejected value Superseded None · TRY Plant Trait Database · Measured · 13 observations · 2026-10-09 TRY 7.0 datasets 20, 57, 67, 71, 110, 444, 445	Sourced
Ph maximum	pH 7.8	pH 7.8 · Earlier Trefle data · Reported · 2026-10-19 value present before provenance tracking (2022 import), no source recorded	Sourced
Ph minimum	pH 5.5	pH 5.5 · 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) · Earlier Trefle data · Reported · 2026-10-19 value present before provenance tracking (2022 import), no source recorded	Sourced
Soil salinity	1 / 9 · barely saline (hyperoligohaline)	1 / 9 · barely saline (hyperoligohaline) · Earlier Trefle data · Reported · 2026-10-19 value present before provenance tracking (2022 import), no source recorded	Sourced
Cultivation
Minimum root depth	empty	41 cm · TRY Plant Trait Database · Measured · 1 observation · 2026-10-20 TRY 7.0 datasets 92 1 earlier or rejected value Superseded 41 cm · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Not on the record
Usda legacy
C n ratio	empty	41.8 · TRY Plant Trait Database · Measured · 3 observations · 2026-10-20 TRY 7.0 datasets 227 1 earlier or rejected value Superseded 41.8 · TRY Plant Trait Database · Measured · 3 observations · 2026-10-09 TRY 7.0 datasets 227	Not on the record
Other
Human usage type	—	coppice_potential, human_food, medical, nursery_stock, ornamental, other, timber · TRY Plant Trait Database · Reported · 3 observations · 2026-10-20 TRY 7.0 datasets 68, 92 1 earlier or rejected value Superseded coppice_potential, human_food, medical, nursery_stock, ornamental, other, timber · TRY Plant Trait Database · Reported · 3 observations · 2026-10-09 TRY 7.0 datasets 68, 92	Not on the record
Salt tolerance	—	Medium · TRY Plant Trait Database · Measured · 1 observation · 2026-10-20 TRY 7.0 datasets 92 1 earlier or rejected value Superseded Medium · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Not on the record
Shade tolerance	—	None · TRY Plant Trait Database · Measured · 1 observation · 2026-10-20 TRY 7.0 datasets 92 1 earlier or rejected value Superseded None · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Not on the record

Nerium oleander L., 1753 47% complete

Oleander

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Data sources