Rubiaceae
Mexican buttonbush
Cephalanthus salicifolius
- Family
- Rubiaceae
- Genus
- Cephalanthus
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Common names
By language (1)
- English
- Mexican buttonbush, Botoncillo
Synonyms
- Cephalanthus occidentalis subsp. salicifolius (Humb. & Bonpl.) Borhidi & Diego
- Cephalanthus occidentalis var. salicifolius (Humb. & Bonpl.) A.Gray
- Cephalanthus peroblongus Wernham
Flowers
- In flower
- May to August (from 113 flowering iNaturalist observations worldwide)
Characteristics
- Growth habit
- Shrub, Tree
- Lifespan
- Perennial
- In the US and Canada
- Lower 48 states: native
Photos
FlowerPhoto: Karla M. Benítez, CC BY 4.0, from iNaturalist 
FlowerPhoto: Sue Carnahan, CC BY 4.0, from iNaturalist 
FlowerPhoto: Karla M. Benítez, CC BY 4.0, from iNaturalist 
FlowerPhoto: Reid Hardin, CC BY 4.0, from iNaturalist 
FlowerPhoto: johnyochum, CC BY 4.0, from iNaturalist 
Photo: Juan Cruzado Cortés, CC BY-SA 4.0, from iNaturalist 
Photo: Sinaloa Silvestre, CC0, from iNaturalist 
Photo: Sinaloa Silvestre, CC0, from iNaturalist 
Photo: Sam Kieschnick, CC BY 4.0, from iNaturalist 
Photo: johnyochum, CC BY 4.0, from iNaturalist 
Photo: Claudio Cantú Muñiz, CC BY 4.0, from iNaturalist 
Photo: Lauren McLaurin, CC BY 4.0, from iNaturalist
More in Cephalanthus
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.