Cyperus involucratus Calflora

Calflora, a 501c3 non-profit

Taxon Report

Cyperus involucratus Rottb.

Umbrella plant, Unbrella plant

2018 Rachelle Gray

2020 Martin Lemon

2018 Jennifer Mo

2021 Ron Vanderhoff

2018 Rachelle Gray

2020 Diana Wahl

2025 Chuck George

2022 Ron Vanderhoff

Cyperus involucratus is a perennial grasslike herb that is not native to California.


	Plant Range Observation Search ~561 records in California Plant Characteristics

Bloom Period

Photos on Calflora


Genus:	Cyperus
Family:	Cyperaceae
Category:	angiosperm
PLANTS group:	Monocot
Jepson eFlora section: monocot

Toxicity: Do not eat any part of this plant.

Wetlands: Occurs usually in wetlands, occasionally in non wetlands

Communities: wetland-riparian, escaped cultivar

Name Status:
Accepted by JEF + PLANTS

Alternate Names:


PLANTS	Cyperus alternifolius ssp. flabelliformis
iNat	Cyperus alternifolius var. flabelliformis
PLANTS	Cyperus alternifolius
PLANTS	Cyperus flabelliformis
POWO	Cyperus alternifolius ssp. flabelliformis

Information about Cyperus involucratus from other sources


Jepson eFlora USDA PLANTS Profile (CYIN6) Photos on Calflora Photos on CalPhotos Google Images Photos on iNaturalist	ITIS Original Publication citation International Plants Names Index Search efloras.org (Flora of North America) BONAP Distribution Map Consortium of California Herbaria 2	Add an Observation Location Suitability Distribution by County
photos / record / common / links

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: 07/17/2025).