Tribulus terrestris L., 1753 43% complete

Caltrop

Sp. Pl.: 387 (1753)

Data sources

Each value Trefle shows for Tribulus terrestris, 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 sources5 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.: 387 (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 Caltrop No source recorded
Source not recorded
Observations Old World No source recorded
Source not recorded
Morphology
Average height 11 cm
  • 11.25 cm · TRY Plant Trait Database · Measured · 12 observations · 2026-10-09
    TRY 7.0 datasets 28, 86, 164, 236, 251, 429, 500, 853, 918, 926
Differs from sources
Biological type therophyte
  • therophyte · TRY Plant Trait Database · Measured · 6 observations · 2026-10-09
    TRY 7.0 datasets 164, 350, 500, 882, 918
Sourced
Flower color yellow Sourced
Foliage color green Sourced
Foliage texture fine Sourced
Fruit shape mericarp 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
Inflorescence type empty Not on the record
Maximum height empty
  • 60 cm · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09
    TRY 7.0 datasets 28, 86, 164, 236, 251, 429, 500, 853, 918, 926
Not on the record
Vegetable false No source recorded
Source not recorded
Phenology
Bloom months apr, may, jun, jul, aug, sep
  • apr|may|jun|jul|aug|sep · Earlier Trefle data · Reported · 2026-10-19
    value present before provenance tracking (2022 import), no source recorded
Differs from sources
Duration annual, perennial
  • annual, perennial · TRY Plant Trait Database · Measured · 27 observations · 2026-10-09
    TRY 7.0 datasets 25, 71, 86, 164, 236, 443, 818, 879, 882, 918
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 empty
  • 3 / 12 · rather dry (xerophilous) · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09
    TRY 7.0 datasets 489
Not on the record
Light 9 / 9 · full sun Differs from sources
Nitrogen fixation None Sourced
Ph maximum pH 7.5
  • pH 7.5 · 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 7
  • pH 7 · 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) Differs from sources
Soil salinity 0 / 9 · absent from saline soils
  • 1 / 9 · barely saline (hyperoligohaline) · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09
    TRY 7.0 datasets 489
Differs from sources
Cultivation
Minimum root depth 96 cm Sourced
Usda legacy
C n ratio empty Not on the record
Other
Human usage type — Not on the record
Soil ph indicator — Not on the record
Temperature indicator — Not on the record