Rhamnaceae

Wartleaf ceanothus

Ceanothus papillosus Torr. & A.Gray

Family: Rhamnaceae
Genus: Ceanothus

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Wartleaf ceanothus (Ceanothus papillosus) — FlowerPhoto: Emily Chebul, CC BY-SA 4.0, from iNaturalist

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Common names

By language (2)

Chinese: 乳头美洲茶
English: Wartleaf ceanothus

Synonyms

Ceanothus dentatus var. papillosus (Torr. & A.Gray) K.Brandegee
Ceanothus papillosus subsp. roweanus (McMinn) Munz
Ceanothus papillosus var. papillosus
Ceanothus papillosus var. regius Jeps.
Ceanothus papillosus var. roweanus McMinn
Ceanothus roweanus (McMinn) Renss.

Flowers

In flower: February to June (from 388 flowering iNaturalist observations worldwide)
Flower colour: blue (USDA PLANTS Database)

Characteristics

Growth habit: Shrub
Lifespan: Perennial
In the US and Canada: Lower 48 states: native

Photos

FlowerPhoto: Emily Chebul, CC BY-SA 4.0, from iNaturalist
FlowerPhoto: Cricket Raspet, CC BY 4.0, from iNaturalist
FlowerPhoto: Ben Sims, CC0, from iNaturalist
FlowerPhoto: Anne Parsons, CC0, from iNaturalist
Photo: Stan Shebs, CC BY-SA 3.0, from Wikimedia Commons
Photo: katherinef2, CC BY 4.0, from iNaturalist
Photo: Cricket Raspet, CC BY 4.0, from iNaturalist
Photo: Stan Shebs, CC BY-SA 3.0, from Wikimedia Commons
Photo: Konshau Duman, CC BY 4.0, from iNaturalist
Photo: Stan Shebs, CC BY-SA 3.0, from Wikimedia Commons
Photo: Mike Heine, CC BY 4.0, from iNaturalist
Photo: Stan Shebs, CC BY-SA 3.0, from Wikimedia Commons

More in Ceanothus

Sources: classification, synonyms from World Flora Online Plant List (2026-06, CC0 1.0); common names, popularity from Wikidata (2026-10-26, CC0 1.0); common names, US characteristics from USDA PLANTS Database (2025-05-29, CC0 1.0). About our plant data.