Digitaria ischaemum (Schreb.) Muhl., 1817 41% complete

Smooth crabgrass

Descr. Gram.: 131 (1817)

Data sources

Each value Trefle shows for Digitaria ischaemum, 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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Sourced13 Differs from sources3 Source not recorded9 Not on the record7 Sources: TRY Plant Trait Database, Earlier Trefle data
Field Shown What the sources say
Core
Author (Schreb.) Muhl. No source recorded
Source not recorded
Bibliography Descr. Gram.: 131 (1817) 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 1817 No source recorded
Source not recorded
Descriptive
Common name Smooth crabgrass No source recorded
Source not recorded
Observations EC. & S. Europe to N. & C. Japan No source recorded
Source not recorded
Morphology
Average height 25 cm
  • 25 cm · TRY Plant Trait Database · Measured · 8 observations · 2026-10-09
    TRY 7.0 datasets 25, 116, 164, 174, 178, 419, 500, 882
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, 918
Sourced
Flower color purple
  • purple · Earlier Trefle data · Reported · 2026-10-19
    value present before provenance tracking (2022 import), no source recorded
Sourced
Foliage texture empty Not on the record
Fruit shape caryopsis 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 38 cm
  • 37.5 cm · TRY Plant Trait Database · Measured · 6 observations · 2026-10-09
    TRY 7.0 datasets 25, 116, 164, 174, 178, 419, 500, 882
Differs from sources
Sexuality empty Not on the record
Vegetable false No source recorded
Source not recorded
Phenology
Bloom months jul, aug, sep, oct
1 earlier or rejected value
Differs from sources
Duration annual
  • annual · TRY Plant Trait Database · Measured · 15 observations · 2026-10-09
    TRY 7.0 datasets 4, 25, 71, 164, 178, 818, 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 5 / 12 · fresh, never flooded (mesohydric)
  • 5 / 12 · fresh, never flooded (mesohydric) · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09
    TRY 7.0 datasets 178, 242
Sourced
Light 8 / 9 · light Sourced
Nitrogen fixation empty Not on the record
Ph maximum pH 4.5
  • pH 4.5 · 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 4
  • pH 4 · 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 5 / 9 · intermediate (mesotrophic)
  • 4 / 9 · rather poor (meso-oligotrophic) · 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 24 cm Sourced
Other
Propagation method — Not on the record
Shade tolerance — Not on the record
Soil ph indicator — Not on the record
Temperature indicator — Not on the record