Not an accepted name (status: unknown). The accepted name is Spiraea douglasii var. menziesii (Hook.) C.Presl, 1851.

Spiraea douglasii subsp. menziesii (Hook.) Calder & Roy L.Taylor, 1965 18% complete

No common name

Canad. J. Bot. 43: 1395 (1965)

Data sources

Each value Trefle shows for Spiraea douglasii subsp. menziesii, 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.

Something wrong? Suggest a correction.

Sourced8 Source not recorded6 Sources: Earlier Trefle data, POWO / WCVP (Kew)
Field Shown What the sources say
Core
Author (Hook.) Calder & Roy L.Taylor Sourced
Bibliography Canad. J. Bot. 43: 1395 (1965) No source recorded
Source not recorded
Rank ssp No source recorded
Source not recorded
Status unknown No source recorded
Source not recorded
Year 1965 No source recorded
Source not recorded
Descriptive
Family common name Rose family No source recorded
Source not recorded
Morphology
Flower conspicuous true
  • true · Earlier Trefle data · Reported · 2026-10-19
    value present before provenance tracking (2022 import), no source recorded
Sourced
Foliage texture coarse
  • coarse · Earlier Trefle data · Reported · 2026-10-19
    value present before provenance tracking (2022 import), no source recorded
Sourced
Growth form Rhizomatous
  • Rhizomatous · Earlier Trefle data · Reported · 2026-10-19
    value present before provenance tracking (2022 import), no source recorded
Sourced
Growth habit Shrub
  • Shrub · Earlier Trefle data · Reported · 2026-10-19
    value present before provenance tracking (2022 import), no source recorded
Sourced
Growth rate Moderate
  • Moderate · 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
Ecology
Ph maximum pH 7.5
  • pH 7.5 · Earlier Trefle data · Reported · 2026-10-19
    value present before provenance tracking (2022 import), no source recorded
Sourced
Ph minimum pH 5.5
  • pH 5.5 · Earlier Trefle data · Reported · 2026-10-19
    value present before provenance tracking (2022 import), no source recorded
Sourced