Allium sphaerocephalon L., 1753 31% complete

Ball-head onion

Sp. Pl.: 297 (1753)

Data sources

Each value Trefle shows for Allium sphaerocephalon, 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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Sourced11 Differs from sources1 Source not recorded8 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.: 297 (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 Ball-head onion No source recorded
Source not recorded
Observations Canary Is., Europe, Medit. to Caucasus No source recorded
Source not recorded
Morphology
Average height 49 cm
  • 48.75 cm · TRY Plant Trait Database · Measured · 16 observations · 2026-10-09
    TRY 7.0 datasets 25, 164, 175, 178, 474, 655, 729, 818, 898, 918, 926
2 earlier or rejected values
  • Superseded 48.75 cm · TRY Plant Trait Database · Measured · 16 observations · 2026-10-09
    TRY 7.0 datasets 25, 164, 175, 178, 474, 655, 729, 818, 898, 918, 926
  • Superseded 48.75 cm · TRY Plant Trait Database · Measured · 16 observations · 2026-09-17
    TRY 7.0 datasets 25, 164, 175, 178, 474, 655, 729, 818, 898, 918, 926
Differs from sources
Biological type geophyte
  • geophyte · TRY Plant Trait Database · Measured · 13 observations · 2026-10-09
    TRY 7.0 datasets 4, 25, 71, 164, 174, 175, 178, 600, 655, 805, 918
2 earlier or rejected values
  • Superseded geophyte · TRY Plant Trait Database · Measured · 13 observations · 2026-10-09
    TRY 7.0 datasets 4, 25, 71, 164, 174, 175, 178, 600, 655, 805, 918
  • Superseded geophyte · TRY Plant Trait Database · Measured · 13 observations · 2026-09-17
    TRY 7.0 datasets 4, 25, 71, 164, 174, 175, 178, 600, 655, 805, 918
Sourced
Flower color purple
2 earlier or rejected values
Sourced
Fruit shape capsule
2 earlier or rejected values
Sourced
Maximum height 65 cm
  • 65 cm · TRY Plant Trait Database · Measured · 4 observations · 2026-10-09
    TRY 7.0 datasets 25, 164, 175, 178, 474, 655, 729, 818, 898, 918, 926
2 earlier or rejected values
  • Superseded 65 cm · TRY Plant Trait Database · Measured · 4 observations · 2026-10-09
    TRY 7.0 datasets 25, 164, 175, 178, 474, 655, 729, 818, 898, 918, 926
  • Superseded 65 cm · TRY Plant Trait Database · Measured · 4 observations · 2026-09-17
    TRY 7.0 datasets 25, 164, 175, 178, 474, 655, 729, 818, 898, 918, 926
Sourced
Sexuality empty
2 earlier or rejected values
Not on the record
Phenology
Bloom months feb, jun
2 earlier or rejected values
  • Superseded feb, jun · TRY Plant Trait Database · Measured · 4 observations · 2026-10-09
    TRY 7.0 datasets 4, 174, 600
  • Superseded feb, jun · TRY Plant Trait Database · Measured · 4 observations · 2026-09-17
    TRY 7.0 datasets 4, 174, 600
Sourced
Duration annual, perennial
  • annual, perennial · TRY Plant Trait Database · Measured · 8 observations · 2026-10-09
    TRY 7.0 datasets 4, 25, 71, 164, 175, 178, 460, 818, 918
2 earlier or rejected values
  • Superseded annual, perennial · TRY Plant Trait Database · Measured · 8 observations · 2026-10-09
    TRY 7.0 datasets 4, 25, 71, 164, 175, 178, 460, 818, 918
  • Superseded annual, perennial · TRY Plant Trait Database · Measured · 8 observations · 2026-09-17
    TRY 7.0 datasets 4, 25, 71, 164, 175, 178, 460, 818, 918
Sourced
Ecology
Ground humidity empty
  • 3 / 12 · rather dry (xerophilous) · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09
    TRY 7.0 datasets 178
2 earlier or rejected values
  • Superseded 3 / 12 · rather dry (xerophilous) · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09
    TRY 7.0 datasets 178
  • Superseded 3 / 12 · rather dry (xerophilous) · TRY Plant Trait Database · Measured · 1 observation · 2026-09-17
    TRY 7.0 datasets 178
Not on the record
Light 9 / 9 · full sun
2 earlier or rejected values
  • Superseded 9 / 9 · full sun · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09
    TRY 7.0 datasets 178, 489
  • Superseded 9 / 9 · full sun · TRY Plant Trait Database · Measured · 2 observations · 2026-09-17
    TRY 7.0 datasets 178, 489
Sourced
Nitrogen fixation None
2 earlier or rejected values
Sourced
Soil nutriments 3 / 9 · poor (oligotrophic)
  • 3 / 9 · poor (oligotrophic) · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09
    TRY 7.0 datasets 178, 489
2 earlier or rejected values
  • Superseded 3 / 9 · poor (oligotrophic) · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09
    TRY 7.0 datasets 178, 489
  • Superseded 3 / 9 · poor (oligotrophic) · TRY Plant Trait Database · Measured · 2 observations · 2026-09-17
    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 · 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 12 cm
2 earlier or rejected values
  • Superseded 12 cm · TRY Plant Trait Database · Measured · 4 observations · 2026-10-09
    TRY 7.0 datasets 474, 818, 898
  • Superseded 12 cm · TRY Plant Trait Database · Measured · 4 observations · 2026-09-17
    TRY 7.0 datasets 474, 818, 898
Sourced
Usda legacy
C n ratio empty
2 earlier or rejected values
Not on the record
Other
Propagation method —
2 earlier or rejected values
  • Superseded seed, vegetative · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09
    TRY 7.0 datasets 174
  • Superseded seed, vegetative · TRY Plant Trait Database · Measured · 1 observation · 2026-09-17
    TRY 7.0 datasets 174
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