Lolium perenne L., 1753 50% complete

Perennial ryegrass

Sp. pl. 1:83. 1753

Data sources

Each value Trefle shows for Lolium perenne, 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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Sourced14 Differs from sources4 Source not recorded11 Not on the record13 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. 1:83. 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 Perennial ryegrass No source recorded
Source not recorded
Observations Macaronesia, N. Africa, Europe to Siberia and Himalaya No source recorded
Source not recorded
Morphology
Average height 28 cm
  • 28.1 cm · TRY Plant Trait Database · Measured · 382 observations · 2026-10-09
    TRY 7.0 datasets 25, 28, 45, 65, 80, 86, 88, 92, 108, 116, 164, 174, 178, 203, 249, 299, 301, 310, 383, 428, 500, 598, 600, 616, 654, 706, 818, 861, 882, 897, 898
Differs from sources
Biological type hemicryptophyte
  • hemicryptophyte · TRY Plant Trait Database · Measured · 19 observations · 2026-10-09
    TRY 7.0 datasets 4, 25, 71, 164, 174, 175, 178, 203, 500, 600, 877, 882, 918
Sourced
Flower conspicuous false No source recorded
Source not recorded
Foliage color empty Not on the record
Foliage texture fine Differs from sources
Fruit color empty Not on the record
Fruit conspicuous false No source recorded
Source not recorded
Fruit shape caryopsis Sourced
Growth form Bunch
  • Bunch · Earlier Trefle data · Reported · 2026-10-19
    value present before provenance tracking (2022 import), no source recorded
Sourced
Growth habit Graminoid
  • Graminoid · Earlier Trefle data · Reported · 2026-10-19
    value present before provenance tracking (2022 import), no source recorded
Sourced
Growth rate Rapid Sourced
Maximum height 60 cm
  • 60 cm · TRY Plant Trait Database · Measured · 4 observations · 2026-10-09
    TRY 7.0 datasets 25, 28, 45, 65, 80, 86, 88, 92, 108, 116, 164, 174, 178, 203, 249, 299, 301, 310, 383, 428, 500, 598, 600, 616, 654, 706, 818, 861, 882, 897, 898
Sourced
Sexuality empty Not on the record
Vegetable false No source recorded
Source not recorded
Phenology
Bloom months apr, may, jun
  • apr, may, jun · TRY Plant Trait Database · Measured · 23 observations · 2026-10-20
    TRY 7.0 datasets 4, 45, 80, 163, 174, 203, 600, 833
1 earlier or rejected value
  • Superseded jan, apr, may, jun · TRY Plant Trait Database · Measured · 23 observations · 2026-10-09
    TRY 7.0 datasets 4, 45, 80, 163, 174, 203, 600, 833
Sourced
Duration annual, biennial, perennial
  • annual, biennial, perennial · TRY Plant Trait Database · Measured · 36 observations · 2026-10-09
    TRY 7.0 datasets 4, 25, 28, 65, 71, 86, 92, 110, 164, 175, 178, 203, 299, 301, 314, 432, 460, 818, 882, 918
Sourced
Fruit months empty Not on the record
Ecology
Atmospheric humidity 5 / 9 · medium air humidity
  • 5 / 9 · medium air humidity · Earlier Trefle data · Reported · 2026-10-19
    value present before provenance tracking (2022 import), no source recorded
Sourced
Ground humidity empty
  • 5 / 12 · fresh, never flooded (mesohydric) · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09
    TRY 7.0 datasets 178
Not on the record
Light 7 / 9 · half-light to light Differs from sources
Nitrogen fixation None
  • None · TRY Plant Trait Database · Measured · 15 observations · 2026-10-09
    TRY 7.0 datasets 37, 57, 67, 71, 89, 110, 130, 444, 445, 882
Sourced
Ph maximum pH 7.5
  • pH 7.5 · Earlier Trefle data · Reported · 2026-10-19
    value present before provenance tracking (2022 import), no source recorded
Sourced
Ph minimum pH 5.2
  • pH 5.2 · Earlier Trefle data · Reported · 2026-10-19
    value present before provenance tracking (2022 import), no source recorded
Sourced
Soil nutriments 6 / 9 · rather rich (meso-eutrophic)
  • 7 / 9 · rich (eutrophic) · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09
    TRY 7.0 datasets 178, 242
Differs from sources
Soil salinity 0 / 9 · absent from saline soils
  • 0 / 9 · absent from saline soils · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09
    TRY 7.0 datasets 178, 242
Sourced
Cultivation
Minimum root depth 48 cm Sourced
Usda legacy
C n ratio empty Not on the record
Other
Halophyte status — Not on the record
Human usage type — Not on the record
Propagation method — Not on the record
Salt tolerance — Not on the record
Shade tolerance — Not on the record
Soil ph indicator — Not on the record
Temperature indicator — Not on the record