Not an accepted name (status: unknown). The accepted name is Physocarpus alternans (M.E.Jones) J.T.Howell, 1931.

Physocarpus alternans subsp. annulatus J.T.Howell, 1931 4% complete

No common name

Proc. Calif. Acad. Sci., ser. 4, 20: 130 (1931)

Data sources

Each value Trefle shows for Physocarpus alternans subsp. annulatus, 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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Sourced1 Source not recorded7 Sources: Earlier Trefle data
Field Shown What the sources say
Core
Author J.T.Howell No source recorded
Source not recorded
Bibliography Proc. Calif. Acad. Sci., ser. 4, 20: 130 (1931) No source recorded
Source not recorded
Rank ssp No source recorded
Source not recorded
Status unknown No source recorded
Source not recorded
Year 1931 No source recorded
Source not recorded
Descriptive
Family common name Rose family No source recorded
Source not recorded
Morphology
Growth habit Shrub
  • Shrub · 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