Data sources

Each value Trefle shows for Pinus ponderosa, 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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Sourced11 Source not recorded16 Not on the record5 Sources: TRY Plant Trait Database

Field	Shown	What the sources say
Core
Author	Douglas ex C.Lawson	No source recorded	Source not recorded
Bibliography	Agric. Man.: 354 (1836)	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	1836	No source recorded	Source not recorded
Descriptive
Common name	Ponderosa pine	No source recorded	Source not recorded
Family common name	Pine family	No source recorded	Source not recorded
Observations	SW. Canada to N. Mexico	No source recorded	Source not recorded
Morphology
Average height	1570 cm	1570 cm · TRY Plant Trait Database · Measured · 405 observations · 2026-10-09 TRY 7.0 datasets 28, 68, 92, 96, 193, 199, 214, 241, 431, 500, 818, 873, 882, 909	Sourced
Biological type	empty	macrophanerophyte · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 500	Not on the record
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 · 2 observations · 2026-10-09 TRY 7.0 datasets 92, 882	Sourced
Fruit conspicuous	false	No source recorded	Source not recorded
Fruit shape	strobilus	strobilus · TRY Plant Trait Database · Measured · 4 observations · 2026-10-09 TRY 7.0 datasets 882	Sourced
Growth form	Single Stem	No source recorded	Source not recorded
Growth habit	Tree	No source recorded	Source not recorded
Growth rate	Moderate	Moderate · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Sourced
Maximum height	4300 cm	4300 cm · TRY Plant Trait Database · Measured · 9 observations · 2026-10-09 TRY 7.0 datasets 28, 68, 92, 96, 193, 199, 214, 241, 431, 500, 818, 873, 882, 909	Sourced
Vegetable	false	No source recorded	Source not recorded
Phenology
Duration	perennial	perennial · TRY Plant Trait Database · Measured · 24 observations · 2026-10-09 TRY 7.0 datasets 28, 92, 193, 460, 818, 882	Sourced
Ecology
Nitrogen fixation	None	None · TRY Plant Trait Database · Measured · 19 observations · 2026-10-09 TRY 7.0 datasets 57, 67, 71, 89, 94, 110, 193, 445, 822	Sourced
Ph maximum	pH 9	No source recorded	Source not recorded
Ph minimum	pH 5	No source recorded	Source not recorded
Cultivation
Minimum root depth	151 cm	151 cm · TRY Plant Trait Database · Measured · 12 observations · 2026-10-09 TRY 7.0 datasets 92, 339, 432, 818	Sourced
Usda legacy
C n ratio	empty	40 · TRY Plant Trait Database · Measured · 43 observations · 2026-10-09 TRY 7.0 datasets 193, 412, 981	Not on the record
Other
Human usage type	—	fuelwood, lumber, naval_stores, nursery_stock, ornamental, posts, pulpwood, 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

Pinus ponderosa Douglas ex C.Lawson, 1836 45% complete

Ponderosa pine

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

Data sources