Aira praecox L., 1753 35% complete

Early hair grass

Sp. Pl.: 65 (1753)

Data sources

Each value Trefle shows for Aira praecox, 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 sources1 Source not recorded9 Not on the record7 Sources: TRY Plant Trait Database, Earlier Trefle data
Field Shown What the sources say
Core
Author L. No source recorded
Source not recorded
Bibliography Sp. Pl.: 65 (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 Early hair grass No source recorded
Source not recorded
Observations Macaronesia, Europe to NW. Türkiye No source recorded
Source not recorded
Morphology
Average height 11 cm
  • 11 cm · TRY Plant Trait Database · Measured · 12 observations · 2026-10-09
    TRY 7.0 datasets 25, 115, 116, 164, 174, 178, 500, 600, 818, 898
2 earlier or rejected values
  • Superseded 11 cm · TRY Plant Trait Database · Measured · 12 observations · 2026-10-09
    TRY 7.0 datasets 25, 115, 116, 164, 174, 178, 500, 600, 818, 898
  • Superseded 11 cm · TRY Plant Trait Database · Measured · 12 observations · 2026-09-17
    TRY 7.0 datasets 25, 115, 116, 164, 174, 178, 500, 600, 818, 898
Sourced
Biological type therophyte
  • therophyte · TRY Plant Trait Database · Measured · 11 observations · 2026-10-09
    TRY 7.0 datasets 4, 25, 71, 164, 174, 178, 500, 600, 918
2 earlier or rejected values
  • Superseded therophyte · TRY Plant Trait Database · Measured · 11 observations · 2026-10-09
    TRY 7.0 datasets 4, 25, 71, 164, 174, 178, 500, 600, 918
  • Superseded therophyte · TRY Plant Trait Database · Measured · 11 observations · 2026-09-17
    TRY 7.0 datasets 4, 25, 71, 164, 174, 178, 500, 600, 918
Sourced
Flower color green
  • green · Earlier Trefle data · Reported · 2026-10-19
    value present before provenance tracking (2022 import), no source recorded
Sourced
Foliage texture empty
2 earlier or rejected values
Not on the record
Fruit shape caryopsis
2 earlier or rejected values
  • Superseded caryopsis · TRY Plant Trait Database · Measured · 5 observations · 2026-10-09
    TRY 7.0 datasets 4, 600, 882
  • Superseded caryopsis · TRY Plant Trait Database · Measured · 5 observations · 2026-09-17
    TRY 7.0 datasets 4, 600, 882
Sourced
Growth habit Graminoid
  • Graminoid · Earlier Trefle data · Reported · 2026-10-19
    value present before provenance tracking (2022 import), no source recorded
Sourced
Maximum height 16 cm
  • 16 cm · TRY Plant Trait Database · Measured · 4 observations · 2026-10-09
    TRY 7.0 datasets 25, 115, 116, 164, 174, 178, 500, 600, 818, 898
2 earlier or rejected values
  • Superseded 16 cm · TRY Plant Trait Database · Measured · 4 observations · 2026-10-09
    TRY 7.0 datasets 25, 115, 116, 164, 174, 178, 500, 600, 818, 898
  • Superseded 16 cm · TRY Plant Trait Database · Measured · 4 observations · 2026-09-17
    TRY 7.0 datasets 25, 115, 116, 164, 174, 178, 500, 600, 818, 898
Sourced
Sexuality empty
2 earlier or rejected values
Not on the record
Vegetable false No source recorded
Source not recorded
Phenology
Bloom months apr, may, jun
3 earlier or rejected values
  • Superseded jan, apr, may · TRY Plant Trait Database · Measured · 5 observations · 2026-10-09
    TRY 7.0 datasets 4, 115, 174, 600
  • Superseded jan, apr, may · TRY Plant Trait Database · Measured · 5 observations · 2026-10-09
    TRY 7.0 datasets 4, 115, 174, 600
  • Superseded jan, apr, may · TRY Plant Trait Database · Measured · 5 observations · 2026-09-17
    TRY 7.0 datasets 4, 115, 174, 600
Differs from sources
Duration annual
  • annual · TRY Plant Trait Database · Measured · 14 observations · 2026-10-09
    TRY 7.0 datasets 4, 25, 71, 164, 178, 818, 882, 918
2 earlier or rejected values
  • Superseded annual · TRY Plant Trait Database · Measured · 14 observations · 2026-10-09
    TRY 7.0 datasets 4, 25, 71, 164, 178, 818, 882, 918
  • Superseded annual · TRY Plant Trait Database · Measured · 14 observations · 2026-09-17
    TRY 7.0 datasets 4, 25, 71, 164, 178, 818, 882, 918
Sourced
Ecology
Ground humidity 3 / 12 · rather dry (xerophilous)
  • 3 / 12 · rather dry (xerophilous) · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09
    TRY 7.0 datasets 178, 489
2 earlier or rejected values
  • Superseded 3 / 12 · rather dry (xerophilous) · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09
    TRY 7.0 datasets 178, 489
  • Superseded 3 / 12 · rather dry (xerophilous) · TRY Plant Trait Database · Measured · 2 observations · 2026-09-17
    TRY 7.0 datasets 178, 489
Sourced
Light empty
2 earlier or rejected values
Not on the record
Nitrogen fixation None
2 earlier or rejected values
Sourced
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 19 cm
2 earlier or rejected values
Sourced
Other
Propagation method —
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