Data sources

Each value Trefle shows for Carya cordiformis, 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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Sourced5 Source not recorded8 Not on the record10 Sources: TRY Plant Trait Database

Field	Shown	What the sources say
Core
Author	(Wangenh.) K.Koch	No source recorded	Source not recorded
Bibliography	Dendrologie 1: 597 (1869)	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	1869	No source recorded	Source not recorded
Descriptive
Common name	Bitternut	No source recorded	Source not recorded
Observations	E. Canada to C. & E. U.S.A.	No source recorded	Source not recorded
Morphology
Average height	2190 cm	2190 cm · TRY Plant Trait Database · Measured · 59 observations · 2026-10-09 TRY 7.0 datasets 28, 68, 92, 184, 662, 873	Sourced
Biological type	phanerophyte	phanerophyte · TRY Plant Trait Database · Measured · 179 observations · 2026-10-09 TRY 7.0 datasets 918, 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	coarse · 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	Slow · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Not on the record
Maximum height	empty	2400 cm · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 28, 68, 92, 184, 662, 873	Not on the record
Phenology
Duration	perennial	perennial · TRY Plant Trait Database · Measured · 180 observations · 2026-10-09 TRY 7.0 datasets 92, 818, 918, 925	Sourced
Ecology
Nitrogen fixation	None	None · TRY Plant Trait Database · Measured · 4 observations · 2026-10-09 TRY 7.0 datasets 20, 57, 67, 444	Sourced
Cultivation
Minimum root depth	214 cm	214 cm · TRY Plant Trait Database · Measured · 4 observations · 2026-10-09 TRY 7.0 datasets 92, 432, 662, 818	Sourced
Usda legacy
C n ratio	empty	22.3 · TRY Plant Trait Database · Measured · 5 observations · 2026-10-09 TRY 7.0 datasets 981	Not on the record
Other
Human usage type	—	fuelwood, lumber, medical, naval_stores, timber, 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	—	None · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Not on the record

Carya cordiformis (Wangenh.) K.Koch, 1869 16% complete

Bitternut

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Data sources