Data sources

Each value Trefle shows for Hemerocallis middendorffii, 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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Sourced9 Differs from sources1 Source not recorded10 Sources: TRY Plant Trait Database, Earlier Trefle data

Field	Shown	What the sources say
Core
Author	Trautv. & C.A.Mey.	No source recorded	Source not recorded
Bibliography	A.T.von Middendorff, Reise Sibir. 1(2; 3): 94 (1856)	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	1856	No source recorded	Source not recorded
Descriptive
Common name	Amur day-lily	No source recorded	Source not recorded
Observations	Russian Far East to China and Japan	No source recorded	Source not recorded
Morphology
Flower color	orange	orange · Earlier Trefle data · Reported · 2026-10-19 value present before provenance tracking (2022 import), no source recorded	Sourced
Flower conspicuous	true	true · Earlier Trefle data · Reported · 2026-10-19 value present before provenance tracking (2022 import), no source recorded	Sourced
Foliage color	green	green · TRY Plant Trait Database · Measured · 10 observations · 2026-10-09 TRY 7.0 datasets 236, 443, 879	Sourced
Foliage texture	medium	coarse · TRY Plant Trait Database · Measured · 5 observations · 2026-10-09 TRY 7.0 datasets 236, 443, 879	Differs from sources
Fruit color	brown	brown · Earlier Trefle data · Reported · 2026-10-19 value present before provenance tracking (2022 import), no source recorded	Sourced
Fruit conspicuous	false	No source recorded	Source not recorded
Growth form	Rhizomatous	Rhizomatous · Earlier Trefle data · Reported · 2026-10-19 value present before provenance tracking (2022 import), no source recorded	Sourced
Growth rate	Rapid	Rapid · 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 · 7 observations · 2026-10-09 TRY 7.0 datasets 236, 443, 460, 879	Sourced
Ecology
Ph maximum	pH 8	pH 8 · Earlier Trefle data · Reported · 2026-10-19 value present before provenance tracking (2022 import), no source recorded	Sourced
Ph minimum	pH 4.8	pH 4.8 · Earlier Trefle data · Reported · 2026-10-19 value present before provenance tracking (2022 import), no source recorded	Sourced

Hemerocallis middendorffii Trautv. & C.A.Mey., 1856 31% complete

Amur day-lily

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

Data sources