Data sources

Each value Trefle shows for Lupinus leucophyllus, 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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Sourced4 Source not recorded9 Not on the record1 Sources: TRY Plant Trait Database, Earlier Trefle data

Field	Shown	What the sources say
Core
Author	Dougl. ex Lindl.	No source recorded	Source not recorded
Bibliography	Bot. Reg. 14: t. 1124. 1828	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	1828	No source recorded	Source not recorded
Descriptive
Common name	Velvet lupine	No source recorded	Source not recorded
Observations	W. Canada to W. U.S.A.	No source recorded	Source not recorded
Morphology
Average height	empty	61 cm · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 818	Not on the record
Growth habit	Forb/herb	Forb/herb · Earlier Trefle data · Reported · 2026-10-19 value present before provenance tracking (2022 import), no source recorded	Sourced
Vegetable	false	No source recorded	Source not recorded
Phenology
Duration	perennial	perennial · TRY Plant Trait Database · Measured · 3 observations · 2026-10-09 TRY 7.0 datasets 432, 818	Sourced
Ecology
Nitrogen fixation	High	High · TRY Plant Trait Database · Measured · 3 observations · 2026-10-09 TRY 7.0 datasets 444	Sourced
Cultivation
Minimum root depth	165 cm	165 cm · TRY Plant Trait Database · Measured · 3 observations · 2026-10-09 TRY 7.0 datasets 432, 818	Sourced

Lupinus leucophyllus Dougl. ex Lindl., 1828 16% complete

Velvet lupine

.fa-secondary{opacity:.4} Data sources

Data sources