Polycarpon tetraphyllum (L.) L., 1759 41% complete

Four-leaf allseed

Syst. Nat. ed. 10, 2: 881 (1759)

Data sources

Each value Trefle shows for Polycarpon tetraphyllum, 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 sources2 Source not recorded9 Not on the record7 Sources: TRY Plant Trait Database, Earlier Trefle data
Field Shown What the sources say
Core
Author (L.) L. No source recorded
Source not recorded
Bibliography Syst. Nat. ed. 10, 2: 881 (1759) 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 1759 No source recorded
Source not recorded
Descriptive
Common name Four-leaf allseed No source recorded
Source not recorded
Observations Europe to Sri Lanka, Macaronesia to N. & NE. Trop. Africa, Arabian Pen. No source recorded
Source not recorded
Morphology
Average height 9 cm
  • 8.75 cm · TRY Plant Trait Database · Measured · 10 observations · 2026-10-09
    TRY 7.0 datasets 25, 45, 164, 178, 272, 474, 500, 598, 600, 882
Differs from sources
Biological type therophyte
  • therophyte · TRY Plant Trait Database · Measured · 14 observations · 2026-10-09
    TRY 7.0 datasets 4, 25, 71, 164, 174, 175, 178, 272, 500, 600, 882
Sourced
Flower color white Sourced
Foliage texture empty Not on the record
Fruit shape capsule Sourced
Growth habit Forb/herb
  • Forb/herb · Earlier Trefle data · Reported · 2026-10-19
    value present before provenance tracking (2022 import), no source recorded
Sourced
Maximum height 15 cm
  • 15 cm · TRY Plant Trait Database · Measured · 7 observations · 2026-10-09
    TRY 7.0 datasets 25, 45, 164, 178, 272, 474, 500, 598, 600, 882
Sourced
Sexuality empty Not on the record
Vegetable false No source recorded
Source not recorded
Phenology
Bloom months mar, apr, may, jun, jul, aug, sep, oct Differs from sources
Duration annual, biennial, perennial
  • annual, biennial, perennial · TRY Plant Trait Database · Measured · 15 observations · 2026-10-09
    TRY 7.0 datasets 4, 164, 175, 178, 272, 882
Sourced
Ecology
Atmospheric humidity 3 / 9 · rather dry air
  • 3 / 9 · rather dry air · Earlier Trefle data · Reported · 2026-10-19
    value present before provenance tracking (2022 import), no source recorded
Sourced
Ground humidity 4 / 12 · moderately dry (meso-xerophilous)
  • 4 / 12 · moderately dry (meso-xerophilous) · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09
    TRY 7.0 datasets 178, 242
Sourced
Light 9 / 9 · full sun Sourced
Nitrogen fixation None Sourced
Ph maximum pH 6.5
  • pH 6.5 · 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 5.5
  • pH 5.5 · 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
Soil nutriments 6 / 9 · rather rich (meso-eutrophic)
  • 6 / 9 · rather rich (meso-eutrophic) · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09
    TRY 7.0 datasets 178, 489
Sourced
Soil salinity 0 / 9 · absent from saline soils
  • 0 / 9 · absent from saline soils · TRY Plant Trait Database · Measured · 4 observations · 2026-10-09
    TRY 7.0 datasets 174, 178, 242
Sourced
Cultivation
Minimum root depth empty Not on the record
Usda legacy
C n ratio empty Not on the record
Other
Propagation method — Not on the record
Soil ph indicator — Not on the record
Temperature indicator — Not on the record