Data sources

Each value Trefle shows for Medicago polymorpha, 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 recorded15 Not on the record14 Sources: TRY Plant Trait Database

Field	Shown	What the sources say
Core
Author	L.	No source recorded	Source not recorded
Bibliography	Sp. Pl.: 779, 1200 (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	Bur medic	No source recorded	Source not recorded
Observations	Macaronesia, Europe to C. Asia and W. Nepal, N. & NE. Trop. Africa to Arabian Pen.	No source recorded	Source not recorded
Morphology
Average height	10 cm	10.1 cm · TRY Plant Trait Database · Measured · 37 observations · 2026-10-09 TRY 7.0 datasets 25, 28, 45, 86, 92, 98, 164, 174, 175, 178, 249, 301, 474, 500, 598, 654, 882, 918	Differs from sources
Biological type	therophyte	therophyte · TRY Plant Trait Database · Measured · 22 observations · 2026-10-09 TRY 7.0 datasets 4, 71, 98, 164, 174, 175, 178, 500, 655, 833, 918	Sourced
Flower color	yellow	yellow · TRY Plant Trait Database · Measured · 6 observations · 2026-10-09 TRY 7.0 datasets 4, 92, 655, 877, 882	Sourced
Flower conspicuous	false	No source recorded	Source not recorded
Foliage color	empty	green · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Not on the record
Foliage texture	fine	fine · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 92, 98	Sourced
Fruit color	empty	brown · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Not on the record
Fruit conspicuous	true	No source recorded	Source not recorded
Fruit shape	legume	legume · TRY Plant Trait Database · Measured · 4 observations · 2026-10-09 TRY 7.0 datasets 4, 882	Sourced
Growth form	Single Crown	No source recorded	Source not recorded
Growth habit	Forb/herb	No source recorded	Source not recorded
Growth rate	Moderate	Moderate · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Sourced
Maximum height	40 cm	40 cm · TRY Plant Trait Database · Measured · 5 observations · 2026-10-09 TRY 7.0 datasets 25, 28, 45, 86, 92, 98, 164, 174, 175, 178, 249, 301, 474, 500, 598, 654, 882, 918	Sourced
Sexuality	empty	hermaphrodite · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 4	Not on the record
Vegetable	false	No source recorded	Source not recorded
Phenology
Bloom months	feb, mar, may	feb, mar, may · TRY Plant Trait Database · Measured · 11 observations · 2026-10-09 TRY 7.0 datasets 4, 45, 833	Sourced
Duration	annual, perennial	annual, perennial · TRY Plant Trait Database · Measured · 17 observations · 2026-10-09 TRY 7.0 datasets 4, 86, 92, 98, 164, 175, 178, 301, 598, 882, 918	Sourced
Ecology
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	empty	9 / 9 · full sun · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 178	Not on the record
Nitrogen fixation	High	High · TRY Plant Trait Database · Measured · 26 observations · 2026-10-09 TRY 7.0 datasets 71, 92, 444, 445, 882	Sourced
Ph maximum	pH 8.2	No source recorded	Source not recorded
Ph minimum	pH 5.9	No source recorded	Source not recorded
Soil nutriments	empty	5 / 9 · intermediate (mesotrophic) · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 178	Not on the record
Soil salinity	0 / 9 · absent from saline soils	0 / 9 · absent from saline soils · TRY Plant Trait Database · Measured · 5 observations · 2026-10-09 TRY 7.0 datasets 174, 178, 242	Sourced
Cultivation
Minimum root depth	empty	30 cm · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Not on the record
Usda legacy
C n ratio	empty	12.6 · TRY Plant Trait Database · Measured · 13 observations · 2026-10-09 TRY 7.0 datasets 412, 727	Not on the record
Other
Halophyte status	—	None · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 877	Not on the record
Human usage type	—	fodder · TRY Plant Trait Database · Reported · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Not on the record
Propagation method	—	seed · TRY Plant Trait Database · Measured · 7 observations · 2026-10-09 TRY 7.0 datasets 92, 174	Not on the record
Salt tolerance	—	None · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Not on the record
Shade tolerance	—	None · TRY Plant Trait Database · Measured · 16 observations · 2026-10-09 TRY 7.0 datasets 92, 174	Not on the record
Soil ph indicator	—	6 · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 178, 242	Not on the record
Temperature indicator	—	8 · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 242	Not on the record

Medicago polymorpha L., 1753 45% complete

Bur medic

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Data sources