Ambrosia psilostachya DC., 1836 43% complete

Dunbible-weed

Prodr. 5: 526 (1836)

Data sources

Each value Trefle shows for Ambrosia psilostachya, 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.

Something wrong? Suggest a correction.

Sourced11 Differs from sources5 Source not recorded10 Not on the record6 Sources: TRY Plant Trait Database, Earlier Trefle data
Field Shown What the sources say
Core
Author DC. No source recorded
Source not recorded
Bibliography Prodr. 5: 526 (1836) 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 1836 No source recorded
Source not recorded
Descriptive
Common name Dunbible-weed No source recorded
Source not recorded
Family common name Aster family No source recorded
Source not recorded
Observations N. & S. America No source recorded
Source not recorded
Morphology
Average height 24 cm
  • 23.58 cm · TRY Plant Trait Database · Measured · 122 observations · 2026-10-09
    TRY 7.0 datasets 7, 25, 66, 116, 164, 193, 309, 429, 500, 818, 866, 882
Differs from sources
Biological type hemicryptophyte
  • hemicryptophyte · TRY Plant Trait Database · Measured · 4 observations · 2026-10-09
    TRY 7.0 datasets 4, 71, 164, 500, 918
Sourced
Flower color green Sourced
Foliage texture empty Not on the record
Fruit shape achene 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 83 cm
  • 82.5 cm · TRY Plant Trait Database · Measured · 4 observations · 2026-10-09
    TRY 7.0 datasets 7, 25, 66, 116, 164, 193, 309, 429, 500, 818, 866, 882
Differs from sources
Sexuality empty Not on the record
Vegetable false No source recorded
Source not recorded
Phenology
Bloom months jul, aug, sep Sourced
Duration perennial
  • perennial · TRY Plant Trait Database · Measured · 18 observations · 2026-10-09
    TRY 7.0 datasets 4, 25, 28, 66, 164, 193, 432, 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 empty
  • 3 / 12 · rather dry (xerophilous) · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09
    TRY 7.0 datasets 242
Not on the record
Light 8 / 9 · light Differs from sources
Nitrogen fixation None
  • None · TRY Plant Trait Database · Measured · 7 observations · 2026-10-09
    TRY 7.0 datasets 20, 57, 66, 71, 193, 444
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 8 / 9 · very rich (pereutrophic)
  • 4 / 9 · rather poor (meso-oligotrophic) · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09
    TRY 7.0 datasets 242
Differs from sources
Soil salinity 0 / 9 · absent from saline soils
  • 1 / 9 · barely saline (hyperoligohaline) · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09
    TRY 7.0 datasets 242, 489
Differs from sources
Cultivation
Minimum root depth 119 cm Sourced
Usda legacy
C n ratio empty Not on the record
Other
Soil ph indicator — Not on the record
Temperature indicator — Not on the record