Data sources

Each value Trefle shows for Pinus edulis, 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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Sourced14 Source not recorded12 Not on the record4 Sources: TRY Plant Trait Database, Earlier Trefle data

Field	Shown	What the sources say
Core
Author	Engelm.	No source recorded	Source not recorded
Bibliography	F.A.Wislizenus, Mem. Tour N. Mexico: 88 (1848)	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	1848	No source recorded	Source not recorded
Descriptive
Common name	Pignolia	No source recorded	Source not recorded
Family common name	Pine family	No source recorded	Source not recorded
Observations	WC. U.S.A. to NW. Texas	No source recorded	Source not recorded
Morphology
Average height	380 cm	380 cm · TRY Plant Trait Database · Measured · 47 observations · 2026-10-09 TRY 7.0 datasets 20, 28, 68, 92, 193, 241, 631, 818, 873, 915	Sourced
Flower color	yellow	yellow · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Sourced
Flower conspicuous	false	No source recorded	Source not recorded
Foliage color	green	green · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Sourced
Foliage texture	medium	medium · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Sourced
Fruit color	brown	brown · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Sourced
Fruit conspicuous	false	No source recorded	Source not recorded
Growth form	Single Stem	Single Stem · Earlier Trefle data · Reported · 2026-10-19 value present before provenance tracking (2022 import), no source recorded	Sourced
Growth habit	Tree	Tree · Earlier Trefle data · Reported · 2026-10-19 value present before provenance tracking (2022 import), no source recorded	Sourced
Growth rate	Slow	Slow · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Sourced
Maximum height	1550 cm	1550 cm · TRY Plant Trait Database · Measured · 5 observations · 2026-10-09 TRY 7.0 datasets 20, 28, 68, 92, 193, 241, 631, 818, 873, 915	Sourced
Vegetable	false	No source recorded	Source not recorded
Phenology
Duration	perennial	perennial · TRY Plant Trait Database · Measured · 14 observations · 2026-10-09 TRY 7.0 datasets 28, 92, 193, 818	Sourced
Ecology
Nitrogen fixation	None	None · TRY Plant Trait Database · Measured · 8 observations · 2026-10-09 TRY 7.0 datasets 20, 57, 67, 193, 445, 822	Sourced
Ph maximum	pH 8.5	pH 8.5 · Earlier Trefle data · Reported · 2026-10-19 value present before provenance tracking (2022 import), no source recorded	Sourced
Ph minimum	pH 6.5	pH 6.5 · Earlier Trefle data · Reported · 2026-10-19 value present before provenance tracking (2022 import), no source recorded	Sourced
Cultivation
Minimum root depth	762 cm	762 cm · TRY Plant Trait Database · Measured · 9 observations · 2026-10-09 TRY 7.0 datasets 92, 432, 818	Sourced
Usda legacy
C n ratio	empty	43.9 · TRY Plant Trait Database · Measured · 16 observations · 2026-10-09 TRY 7.0 datasets 193, 981	Not on the record
Other
Human usage type	—	berries_nuts_seeds, christmas_trees, fuelwood, nursery_stock, posts · TRY Plant Trait Database · Reported · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Not on the record
Salt tolerance	—	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 · 2026-10-09 TRY 7.0 datasets 92	Not on the record

Pinus edulis Engelm., 1848 43% complete

Pignolia

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Data sources