2021 Mike Russler 2017 Carl Bjork 2017 Carl Bjork 2021 Mike Russler 2021 Mike Russler 2017 Carl Bjork 2021 David popp 2021 David popp 2008 Louis-M. Landry 2018 Jay Chamberlain 2018 Richard Spjut 2007 Stacie Sherman 2022 Dianne Lake 2021 Mike Russler 2019 Julie A. Kierstead 2019 Julie A. Kierstead 2019 Julie A. Kierstead 2019 Julie A. Kierstead 2016 Keir Morse
Cephalanthus occidentalis is a shrub that is native to California, and also found elsewhere in western North America.
[Wikipedia] Description, Taxonomy, Ecology, Uses: Taxonomy
There are two varieties, not considered distinct by all authorities:
Cephalanthus occidentalis var. occidentalis (syn. var. pubescens) common buttonbush. Eastern North America from Nova Scotia west to Minnesota and south to Florida and east Texas.
Cephalanthus occidentalis var. californicus California button-willow. Southwestern North America, from west Texas west to California (Sierra Nevada foothills, San Joaquin Valley, Sacramento Valley, and the Inner North Coast Ranges) and south to Mexico and Central America.
Ecology
Waterfowl and other birds eat the seeds. Wood ducks utilize the plant as nest protection, and mallards eat the fruit.[6] Deer browse the foliage, which is poisonous to livestock.[7] Insects and hummingbirds take the nectar, with bees using it to make honey.[5][8] It is a larval host to the hydrangea sphinx, the royal walnut moth, and the titan sphinx.[9]
Uses
Medicinal
Cephalanthus occidentalis has a number of historical medicinal uses, but it is also toxic due to the presence of cephalanthin.[5][8] (contributed by Mary Ann Machi)
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Suggested Citation
Calflora:
Information on California plants for education, research and conservation,
with data contributed by
public and private institutions and individuals.
[web application]. 2024. Berkeley, California:The Calflora Database
[a non-profit organization].Available:
https://www.calflora.org/(Accessed: 05/05/2024).