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Taxon  Report  
Euphorbia melanadenia  Torr.
Red-gland spurge
Euphorbia melanadenia is a perennial herb that is native to California, and also found elsewhere in western North America.
also called Chamaesyce melanadenia
Siskiyou Del Norte Modoc Humboldt Shasta Lassen Trinity Plumas Tehama Butte Mendocino Glenn Sierra Yuba Lake Nevada Colusa Placer Sutter El Dorado Yolo Alpine Napa Sonoma Sacramento Mono Amador Solano Calaveras Tuolumne San Joaquin Marin Contra Costa Alameda Santa Cruz Mariposa Madera San Francisco San Mateo Merced Fresno Stanislaus Santa Clara Inyo San Benito Tulare Kings Monterey San Bernardino San Luis Obispo Kern Santa Barbara Ventura Los Angeles Riverside Orange San Diego Imperial
DJJJASONAFMM

Bloom Period
Genus: Euphorbia
Family: Euphorbiaceae  
Category: angiosperm  
PLANTS group:Dicot
Jepson eFlora section: eudicot

Toxicity: Skin irritation from touching the sap of this plant.

Communities: Chaparral

Name Status:
Accepted by JEF + POWO
Alternate Names:
JEFChamaesyce melanadenia
PLANTSChamaesyce melanadenia
Information about  Euphorbia melanadenia from other sources
Nursery availability from CNPLX
Commercial availability unknown.
Jepson eFlora

Photos on Calflora

Photos on CalPhotos

Google Images

Photos on iNaturalist

ID Tips on PlantID.net

[Wikipedia] Native Range, Habitat: It is native to the deserts and mountains of Baja California and southern California and Arizona, where it grows in dry, rocky habitat. (link added by Mary Ann Machi)


Suggested Citation
Calflora: Information on California plants for education, research and conservation, with data contributed by public and private institutions and individuals. [web application]. 2025. The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/   (Accessed: 05/16/2025).