Variety

Ceanothus thyrsiflorus thyrsiflorus (Blue blossom)

Ceanothus thyrsiflorus thyrsiflorus. Photo: (c) Vince Scheidt, some rights reserved (CC BY-NC)

iNaturalist • Wikipedia

Ceanothus thyrsiflorus, known as blueblossom or blue blossom ceanothus, is an evergreen shrub in the genus Ceanothus that is endemic to California. The term ‘Californian lilac’ is also applied to this and other varieties of ceanothus, though it is not closely related to Syringa, the true lilac.

Humboldt Life
- Kingdom: Plantae (Plants)
  - Phylum: Tracheophyta (Vascular plants)
    - Subphylum: Angiospermae (Flowering plants)
      - Class: Magnoliopsida (Dicots)
        Order: Rosales (Roses, elms, figs, and allies)
        Family: Rhamnaceae (Buckthorn family)
        Genus: Ceanothus
        Subgenus: Ceanothus (Ceanothus subg. ceanothus)
        Species: Ceanothus thyrsiflorus (Blueblossom)
        Variety: Ceanothus thyrsiflorus thyrsiflorus (Blue blossom)

Sightings

Where in Humboldt

Discussion

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