Quercus pubescens Willd., 1796 41% complete

Downy oak

Berlin. Baumz.: 279 (1796)

Data sources

Each value Trefle shows for Quercus pubescens, 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 Differs from sources4 Source not recorded9 Not on the record6 Sources: TRY Plant Trait Database, Earlier Trefle data
Field Shown What the sources say
Core
Author Willd. No source recorded
Source not recorded
Bibliography Berlin. Baumz.: 279 (1796) 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 1796 No source recorded
Source not recorded
Descriptive
Common name Downy oak No source recorded
Source not recorded
Observations Europe to N. Türkiye No source recorded
Source not recorded
Morphology
Average height 1055 cm
  • 1055 cm · TRY Plant Trait Database · Measured · 98 observations · 2026-10-09
    TRY 7.0 datasets 25, 45, 68, 164, 191, 241, 474, 500, 818, 873, 898, 918
Sourced
Biological type phanerophyte
  • phanerophyte · TRY Plant Trait Database · Measured · 6 observations · 2026-10-09
    TRY 7.0 datasets 4, 25, 71, 164, 175, 500, 918
Sourced
Flower color yellow Differs from sources
Foliage texture empty Not on the record
Fruit shape empty Not on the record
Growth habit Tree
  • Tree · Earlier Trefle data · Reported · 2026-10-19
    value present before provenance tracking (2022 import), no source recorded
Sourced
Maximum height 2000 cm
  • 2000 cm · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09
    TRY 7.0 datasets 25, 45, 68, 164, 191, 241, 474, 500, 818, 873, 898, 918
Sourced
Sexuality monoecious Sourced
Vegetable false No source recorded
Source not recorded
Phenology
Bloom months apr, may Differs from sources
Duration perennial Sourced
Ecology
Atmospheric humidity 4 / 9 · moderately dry air
  • 4 / 9 · moderately dry air · Earlier Trefle data · Reported · 2026-10-19
    value present before provenance tracking (2022 import), no source recorded
Sourced
Ground humidity empty
  • 3 / 12 · rather dry (xerophilous) · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09
    TRY 7.0 datasets 242
Not on the record
Light 8 / 9 · light
  • 7 / 9 · half-light to light · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09
    TRY 7.0 datasets 489
Differs from sources
Nitrogen fixation None Sourced
Ph maximum pH 7.5
  • pH 7.5 · Earlier Trefle data · Inferred · 2026-10-19
    value present before provenance tracking (2022 import), no source recorded derived from a Baseflor soil reaction class by the 2022 import, a class not a measurement
Sourced
Ph minimum pH 7
  • pH 7 · Earlier Trefle data · Inferred · 2026-10-19
    value present before provenance tracking (2022 import), no source recorded derived from a Baseflor soil reaction class by the 2022 import, a class not a measurement
Sourced
Soil nutriments 4 / 9 · rather poor (meso-oligotrophic)
  • 3 / 9 · poor (oligotrophic) · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09
    TRY 7.0 datasets 489
Differs from sources
Soil salinity 0 / 9 · absent from saline soils
  • 0 / 9 · absent from saline soils · TRY Plant Trait Database · Measured · 3 observations · 2026-10-09
    TRY 7.0 datasets 242, 489
Sourced
Cultivation
Minimum root depth 57 cm Sourced
Other
Human usage type — Not on the record
Soil ph indicator — Not on the record
Temperature indicator — Not on the record