Betula nana L., 1753 58% complete

Arctic dwarf birch

Sp. Pl.: 983 (1753)

Data sources

Each value Trefle shows for Betula nana, 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 recorded17 Not on the record7 Sources: TRY Plant Trait Database
Field Shown What the sources say
Core
Author L. No source recorded
Source not recorded
Bibliography Sp. Pl.: 983 (1753) 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 1753 No source recorded
Source not recorded
Descriptive
Common name Arctic dwarf birch No source recorded
Source not recorded
Observations Subarctic and Mts. of Europe, E. Subarctic America No source recorded
Source not recorded
Morphology
Average height 24 cm
  • 24.05 cm · TRY Plant Trait Database · Measured · 328 observations · 2026-10-09
    TRY 7.0 datasets 1, 25, 45, 68, 73, 92, 178, 251, 294, 468, 500, 724, 818, 844, 898, 941
2 earlier or rejected values
  • Superseded 24.05 cm · TRY Plant Trait Database · Measured · 328 observations · 2026-10-09
    TRY 7.0 datasets 1, 25, 45, 68, 73, 92, 178, 251, 294, 468, 500, 724, 818, 844, 898, 941
  • Superseded 24.05 cm · TRY Plant Trait Database · Measured · 328 observations · 2026-09-17
    TRY 7.0 datasets 1, 25, 45, 68, 73, 92, 178, 251, 294, 468, 500, 724, 818, 844, 898, 941
Differs from sources
Biological type nanophanerophyte
  • nanophanerophyte · TRY Plant Trait Database · Measured · 5 observations · 2026-10-09
    TRY 7.0 datasets 4, 25, 71, 174, 178, 500
2 earlier or rejected values
  • Superseded nanophanerophyte · TRY Plant Trait Database · Measured · 5 observations · 2026-10-09
    TRY 7.0 datasets 4, 25, 71, 174, 178, 500
  • Superseded nanophanerophyte · TRY Plant Trait Database · Measured · 5 observations · 2026-09-17
    TRY 7.0 datasets 4, 25, 71, 174, 178, 500
Sourced
Flower color yellow
2 earlier or rejected values
Differs from sources
Flower conspicuous false No source recorded
Source not recorded
Foliage color green
2 earlier or rejected values
Sourced
Foliage texture fine No source recorded
Source not recorded
Fruit color brown
2 earlier or rejected values
Sourced
Fruit conspicuous false No source recorded
Source not recorded
Fruit shape empty
2 earlier or rejected values
Not on the record
Growth form Multiple Stem No source recorded
Source not recorded
Growth habit Shrub, Subshrub No source recorded
Source not recorded
Growth rate Moderate
2 earlier or rejected values
Sourced
Maximum height 80 cm
  • 80 cm · TRY Plant Trait Database · Measured · 3 observations · 2026-10-09
    TRY 7.0 datasets 1, 25, 45, 68, 73, 92, 178, 251, 294, 468, 500, 724, 818, 844, 898, 941
2 earlier or rejected values
  • Superseded 80 cm · TRY Plant Trait Database · Measured · 3 observations · 2026-10-09
    TRY 7.0 datasets 1, 25, 45, 68, 73, 92, 178, 251, 294, 468, 500, 724, 818, 844, 898, 941
  • Superseded 80 cm · TRY Plant Trait Database · Measured · 3 observations · 2026-09-17
    TRY 7.0 datasets 1, 25, 45, 68, 73, 92, 178, 251, 294, 468, 500, 724, 818, 844, 898, 941
Sourced
Sexuality monoecious
2 earlier or rejected values
Sourced
Vegetable false No source recorded
Source not recorded
Phenology
Bloom months may
2 earlier or rejected values
  • Superseded jan, apr, may · TRY Plant Trait Database · Measured · 7 observations · 2026-10-09
    TRY 7.0 datasets 4, 45, 174
  • Superseded jan, apr, may · TRY Plant Trait Database · Measured · 7 observations · 2026-09-17
    TRY 7.0 datasets 4, 45, 174
Differs from sources
Duration perennial
  • perennial · TRY Plant Trait Database · Measured · 6 observations · 2026-10-09
    TRY 7.0 datasets 4, 25, 92, 178, 818
2 earlier or rejected values
  • Superseded perennial · TRY Plant Trait Database · Measured · 6 observations · 2026-10-09
    TRY 7.0 datasets 4, 25, 92, 178, 818
  • Superseded perennial · TRY Plant Trait Database · Measured · 6 observations · 2026-09-17
    TRY 7.0 datasets 4, 25, 92, 178, 818
Sourced
Ecology
Atmospheric humidity 8 / 9 · very humid air No source recorded
Source not recorded
Ground humidity 9 / 12 · amphibious part of the year (seasonal helophyte)
  • 9 / 12 · amphibious part of the year (seasonal helophyte) · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09
    TRY 7.0 datasets 178, 242
2 earlier or rejected values
  • Superseded 9 / 12 · amphibious part of the year (seasonal helophyte) · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09
    TRY 7.0 datasets 178, 242
  • Superseded 9 / 12 · amphibious part of the year (seasonal helophyte) · TRY Plant Trait Database · Measured · 2 observations · 2026-09-17
    TRY 7.0 datasets 178, 242
Sourced
Light 7 / 9 · half-light to light
2 earlier or rejected values
  • Superseded 8 / 9 · light · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09
    TRY 7.0 datasets 178, 489
  • Superseded 8 / 9 · light · TRY Plant Trait Database · Measured · 2 observations · 2026-09-17
    TRY 7.0 datasets 178, 489
Differs from sources
Nitrogen fixation None
  • None · TRY Plant Trait Database · Measured · 109 observations · 2026-10-09
    TRY 7.0 datasets 1, 20, 37, 57, 71, 73, 89, 94, 110, 130, 444, 445, 822
2 earlier or rejected values
  • Superseded None · TRY Plant Trait Database · Measured · 109 observations · 2026-10-09
    TRY 7.0 datasets 1, 20, 37, 57, 71, 73, 89, 94, 110, 130, 444, 445, 822
  • Superseded None · TRY Plant Trait Database · Measured · 109 observations · 2026-09-17
    TRY 7.0 datasets 1, 20, 37, 57, 71, 73, 89, 94, 110, 130, 444, 445, 822
Sourced
Ph maximum pH 6.5 No source recorded
Source not recorded
Ph minimum pH 4.9 No source recorded
Source not recorded
Soil nutriments 2 / 9 · very poor (peroligotrophic)
  • 2 / 9 · very poor (peroligotrophic) · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09
    TRY 7.0 datasets 178, 242
2 earlier or rejected values
  • Superseded 2 / 9 · very poor (peroligotrophic) · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09
    TRY 7.0 datasets 178, 242
  • Superseded 2 / 9 · very poor (peroligotrophic) · TRY Plant Trait Database · Measured · 2 observations · 2026-09-17
    TRY 7.0 datasets 178, 242
Sourced
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 178, 242, 489
2 earlier or rejected values
  • Superseded 0 / 9 · absent from saline soils · TRY Plant Trait Database · Measured · 3 observations · 2026-10-09
    TRY 7.0 datasets 178, 242, 489
  • Superseded 0 / 9 · absent from saline soils · TRY Plant Trait Database · Measured · 3 observations · 2026-09-17
    TRY 7.0 datasets 178, 242, 489
Sourced
Cultivation
Minimum root depth 25 cm
  • 25 cm · TRY Plant Trait Database · Measured · 16 observations · 2026-10-09
    TRY 7.0 datasets 73, 92, 339, 432, 468, 818, 898
2 earlier or rejected values
  • Superseded 25 cm · TRY Plant Trait Database · Measured · 16 observations · 2026-10-09
    TRY 7.0 datasets 73, 92, 339, 432, 468, 818, 898
  • Superseded 25 cm · TRY Plant Trait Database · Measured · 16 observations · 2026-09-17
    TRY 7.0 datasets 73, 92, 339, 432, 468, 818, 898
Sourced
Usda legacy
C n ratio empty
  • 25.6 · TRY Plant Trait Database · Measured · 129 observations · 2026-10-09
    TRY 7.0 datasets 105, 412, 468, 931, 939, 940, 941, 947
2 earlier or rejected values
  • Superseded 25.6 · TRY Plant Trait Database · Measured · 129 observations · 2026-10-09
    TRY 7.0 datasets 105, 412, 468, 931, 939, 940, 941, 947
  • Superseded 25.6 · TRY Plant Trait Database · Measured · 129 observations · 2026-09-17
    TRY 7.0 datasets 105, 412, 468, 931, 939, 940, 941, 947
Not on the record
Other
Human usage type —
  • coppice_potential, nursery_stock · TRY Plant Trait Database · Reported · 1 observation · 2026-10-09
    TRY 7.0 datasets 92
2 earlier or rejected values
  • Superseded coppice_potential, nursery_stock · TRY Plant Trait Database · Reported · 1 observation · 2026-10-09
    TRY 7.0 datasets 92
  • Superseded coppice_potential, nursery_stock · TRY Plant Trait Database · Reported · 1 observation · 2026-09-17
    TRY 7.0 datasets 92
Not on the record
Salt tolerance —
2 earlier or rejected values
Not on the record
Shade tolerance —
2 earlier or rejected values
Not on the record
Soil ph indicator —
2 earlier or rejected values
Not on the record
Temperature indicator —
2 earlier or rejected values
Not on the record