Data sources

Each value Trefle shows for Alnus nepalensis, 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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Sourced5 Source not recorded10 Not on the record1 Sources: TRY Plant Trait Database

Field	Shown	What the sources say
Core
Author	D.Don	No source recorded	Source not recorded
Bibliography	Prodr. Fl. Nepal.: 58 (1825)	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	1825	No source recorded	Source not recorded
Descriptive
Common name	Himalayan alder	No source recorded	Source not recorded
Observations	Himalaya to SC. China and N. Indo-China	No source recorded	Source not recorded
Morphology
Average height	1200 cm	1200 cm · TRY Plant Trait Database · Measured · 6 observations · 2026-10-09 TRY 7.0 datasets 68, 214, 873	Sourced
Foliage color	green, grey	green, grey · TRY Plant Trait Database · Measured · 4 observations · 2026-10-09 TRY 7.0 datasets 443, 879	Sourced
Foliage texture	fine	fine · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 443, 879	Sourced
Growth habit	Tree	No source recorded	Source not recorded
Vegetable	false	No source recorded	Source not recorded
Phenology
Duration	perennial	perennial · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 443, 879	Sourced
Ecology
Nitrogen fixation	High	High · TRY Plant Trait Database · Measured · 3 observations · 2026-10-09 TRY 7.0 datasets 444, 822	Sourced
Other
Human usage type	—	timber · TRY Plant Trait Database · Reported · 1 observation · 2026-10-09 TRY 7.0 datasets 68	Not on the record

Alnus nepalensis D.Don, 1825 20% complete

Himalayan alder

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Data sources