Data sources

Each value Trefle shows for Juglans major, 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 recorded14 Not on the record7 Sources: TRY Plant Trait Database, POWO / WCVP (Kew)

Field	Shown	What the sources say
Core
Author	(Torr.) A.Heller	(Torr.) A.Heller · POWO / WCVP (Kew) · Reported · 2026-10-11	Sourced
Bibliography	Muhlenbergia 1:50. 1904	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	1904	No source recorded	Source not recorded
Descriptive
Common name	Arizona walnut	No source recorded	Source not recorded
Observations	Arizona to S. Oklahoma and N. Mexico	No source recorded	Source not recorded
Morphology
Average height	1524 cm	1524 cm · TRY Plant Trait Database · Measured · 7 observations · 2026-10-09 TRY 7.0 datasets 28, 68, 92, 184, 431	Sourced
Flower color	empty	brown · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Not on the record
Flower conspicuous	false	No source recorded	Source not recorded
Foliage color	empty	green, yellow · 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 · 2026-10-09 TRY 7.0 datasets 92	Sourced
Fruit color	empty	brown · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Not on the record
Fruit conspicuous	true	No source recorded	Source not recorded
Growth form	Single Stem	No source recorded	Source not recorded
Growth habit	Tree	No source recorded	Source not recorded
Growth rate	Slow	Slow · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Sourced
Vegetable	false	No source recorded	Source not recorded
Phenology
Duration	perennial	perennial · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 28, 92	Sourced
Ecology
Ph maximum	pH 7	No source recorded	Source not recorded
Ph minimum	pH 6	No source recorded	Source not recorded
Cultivation
Minimum root depth	empty	102 cm · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Not on the record
Other
Human usage type	—	berries_nuts_seeds, coppice_potential, fuelwood, lumber, nursery_stock, posts, veneer · TRY Plant Trait Database · Reported · 1 observation · 2026-10-09 TRY 7.0 datasets 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

Juglans major (Torr.) A.Heller, 1904 29% complete

Arizona walnut

.fa-secondary{opacity:.4} Data sources

Data sources