Et ceterach…

Ceanothus thyrsiflorus Eschw., 1826

Common names

  • 🇬🇧 Blue Blossom Ceanothus
  • 🇫🇷 Céanothe à fleurs en thyrse, Lilas de Californie

Taxonomy

  • Kingdom: Plantae
  • Clade: Tracheophytes
  • Clade: Angiosperms
  • Clade: Eudicots
  • Clade: Superrosids
  • Clade: Rosids
  • Clade: Fabids
  • Order: Rosales
  • Family: Rhamnaceae
  • Subfamily: Ziziphoideae
  • Genus: Ceanothus
  • Species: Ceanothus thyrsiflorus

Presence

Introduced, not established.

Conservation status

  • Red List (Global): LC Least Concern

Notes

Possible confusion with C. arboreus Greene, 1886, which has pale blue or white flowers, and larger, more rounded leaves.

Possible confusion with C. impressus Trel., 1888, which has deep blue flowers, and smaller, more rounded leaves.

The use of the genus Ceanothus as an ornamental plant with numerous cultivars can make the identification of the exact species quite delicate.

The following infraspecific taxa are accepted:

  • C. thyrsiflorus var. obispoensis D.O.Burge, 2017;
  • C. thyrsiflorus var. thyrsiflorus Eschw., 1826, M.

Photographs

img/ceanothus-thyrsiflorus.webp
Ceanothus thyrsiflorus
img/ceanothus-thyrsiflorus-2.webp
Ceanothus thyrsiflorus
img/ceanothus-thyrsiflorus-3.webp
Ceanothus thyrsiflorus - Leaves
img/ceanothus-thyrsiflorus-4.webp
Ceanothus thyrsiflorus - Leaves

Sources