Data sources

Each value Trefle shows for Quercus acutissima, 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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Sourced12 Source not recorded10 Not on the record5 Sources: TRY Plant Trait Database, Earlier Trefle data

Field	Shown	What the sources say
Core
Author	Carruth.	No source recorded	Source not recorded
Bibliography	J. Proc. Linn. Soc., Bot. 6: 33 (1861)	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	1861	No source recorded	Source not recorded
Descriptive
Common name	Sawthorn oak	No source recorded	Source not recorded
Observations	Himalaya to China and Indo-China, Korea, C. & S. Japan	No source recorded	Source not recorded
Morphology
Average height	1670 cm	1670 cm · TRY Plant Trait Database · Measured · 113 observations · 2026-10-09 TRY 7.0 datasets 68, 92, 214, 431, 685, 873, 909	Sourced
Flower color	green	green · 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 · 15 observations · 2026-10-09 TRY 7.0 datasets 92, 236, 443, 879	Sourced
Foliage texture	coarse	coarse · TRY Plant Trait Database · Measured · 8 observations · 2026-10-09 TRY 7.0 datasets 92, 236, 443, 879	Sourced
Fruit color	brown	brown · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Sourced
Fruit conspicuous	true	true · Earlier Trefle data · Reported · 2026-10-19 value present before provenance tracking (2022 import), no source recorded	Sourced
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	Rapid	Rapid · 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 · 13 observations · 2026-10-09 TRY 7.0 datasets 28, 92, 236, 443, 879	Sourced
Ecology
Ph maximum	pH 7	pH 7 · Earlier Trefle data · Reported · 2026-10-19 value present before provenance tracking (2022 import), no source recorded	Sourced
Ph minimum	pH 4.9	pH 4.9 · Earlier Trefle data · Reported · 2026-10-19 value present before provenance tracking (2022 import), no source recorded	Sourced
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
Usda legacy
C n ratio	empty	24.7 · TRY Plant Trait Database · Measured · 6 observations · 2026-10-09 TRY 7.0 datasets 300, 412, 554	Not on the record
Other
Human usage type	—	berries_nuts_seeds, fuelwood, human_food, medical, nursery_stock, ornamental, other, timber · 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

Quercus acutissima Carruth., 1861 35% complete

Sawthorn oak

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

Data sources