Data sources

Each value Trefle shows for Quercus velutina, 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 Source not recorded8 Not on the record9 Sources: TRY Plant Trait Database

Field	Shown	What the sources say
Core
Author	Lam.	No source recorded	Source not recorded
Bibliography	Encycl. 1: 721 (1785)	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	1785	No source recorded	Source not recorded
Descriptive
Common name	Quercitron oak	No source recorded	Source not recorded
Observations	SE. Ontario to C. & E. U.S.A.	No source recorded	Source not recorded
Morphology
Average height	1950 cm	1950 cm · TRY Plant Trait Database · Measured · 119 observations · 2026-10-09 TRY 7.0 datasets 28, 68, 92, 184, 662, 873, 925	Sourced
Biological type	phanerophyte	phanerophyte · TRY Plant Trait Database · Measured · 198 observations · 2026-10-09 TRY 7.0 datasets 925	Sourced
Flower color	empty	yellow · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Not on the record
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	empty	medium · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Not on the record
Fruit color	empty	brown · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Not on the record
Growth rate	empty	Moderate · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Not on the record
Maximum height	4500 cm	4500 cm · TRY Plant Trait Database · Measured · 3 observations · 2026-10-09 TRY 7.0 datasets 28, 68, 92, 184, 662, 873, 925	Sourced
Phenology
Duration	perennial	perennial · TRY Plant Trait Database · Measured · 205 observations · 2026-10-09 TRY 7.0 datasets 28, 92, 759, 818, 925	Sourced
Ecology
Nitrogen fixation	None	None · TRY Plant Trait Database · Measured · 9 observations · 2026-10-09 TRY 7.0 datasets 20, 57, 67, 89, 130, 444, 445	Sourced
Cultivation
Minimum root depth	102 cm	102 cm · TRY Plant Trait Database · Measured · 3 observations · 2026-10-09 TRY 7.0 datasets 92, 662, 818	Sourced
Usda legacy
C n ratio	empty	24 · TRY Plant Trait Database · Measured · 13 observations · 2026-10-09 TRY 7.0 datasets 79, 981	Not on the record
Other
Human usage type	—	coppice_potential, fuelwood, lumber, medical, veneer · TRY Plant Trait Database · Reported · 1 observation · 2026-10-09 TRY 7.0 datasets 68, 92	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
Shade tolerance	—	Intermediate · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Not on the record

Quercus velutina Lam., 1785 18% complete

Quercitron oak

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Data sources