Rhododendron hirsutum L., 1753 37% complete

Hairy alpenrose

Sp. Pl.: 392 (1753)

Data sources

Each value Trefle shows for Rhododendron hirsutum, 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 sources3 Source not recorded9 Not on the record8 Sources: TRY Plant Trait Database, Earlier Trefle data
Field Shown What the sources say
Core
Author L. No source recorded
Source not recorded
Bibliography Sp. Pl.: 392 (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 Hairy alpenrose No source recorded
Source not recorded
Observations C. & E. Alps to NW. Balkan Pen. No source recorded
Source not recorded
Morphology
Average height 35 cm
  • 34.5 cm · TRY Plant Trait Database · Measured · 24 observations · 2026-10-09
    TRY 7.0 datasets 25, 68, 164, 241, 251, 807, 898
Differs from sources
Biological type chamaephyte Sourced
Flower color purple Differs from sources
Foliage texture empty Not on the record
Fruit shape empty Not on the record
Growth habit Subshrub
  • Subshrub · Earlier Trefle data · Reported · 2026-10-19
    value present before provenance tracking (2022 import), no source recorded
Sourced
Maximum height 90 cm
  • 90 cm · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09
    TRY 7.0 datasets 25, 68, 164, 241, 251, 807, 898
Sourced
Sexuality empty Not on the record
Vegetable false No source recorded
Source not recorded
Phenology
Bloom months may, jun, jul
  • may|jun|jul · Earlier Trefle data · Reported · 2026-10-19
    value present before provenance tracking (2022 import), no source recorded
Differs from sources
Duration perennial Sourced
Ecology
Atmospheric humidity 6 / 9 · moderately humid air
  • 6 / 9 · moderately humid air · Earlier Trefle data · Reported · 2026-10-19
    value present before provenance tracking (2022 import), no source recorded
Sourced
Ground humidity empty
  • 4 / 12 · moderately dry (meso-xerophilous) · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09
    TRY 7.0 datasets 242
Not on the record
Light 7 / 9 · half-light to light
  • 7 / 9 · half-light to light · Earlier Trefle data · Reported · 2026-10-19
    value present before provenance tracking (2022 import), no source recorded
Sourced
Nitrogen fixation empty Not on the record
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 3 / 9 · poor (oligotrophic)
  • 3 / 9 · poor (oligotrophic) · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09
    TRY 7.0 datasets 242
Sourced
Soil salinity 0 / 9 · absent from saline soils
  • 0 / 9 · absent from saline soils · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09
    TRY 7.0 datasets 242
Sourced
Cultivation
Minimum root depth 48 cm Sourced
Other
Human usage type — Not on the record
Soil ph indicator — Not on the record
Temperature indicator — Not on the record