umbrella papyrus

Cyperus alternifolius ssp. flabelliformis

Member of madagascar umbrella papyrus (Cyperus alternifolius)
flatsedges (genus Cyperus)
sedges (family Cyperaceae)
grasses, sedges, cattails, and allies (order Poales)
monocots (class Liliopsida)
other colors in flowering plants

There are no other wild members of this species in California.

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• no basal leaf blades
• all others below have basal leaf blades
• 14–22 inflorescence bracts
• all others below have 1–12 inflorescence bracts
• rare

Toxicity of umbrella plant (Cyperus alternifolius):
4 – Ingestion of these plants, especially in large amounts, is expected to cause serious effects to the heart, liver, kidneys or brain. If ingested in any amount, call the poison center immediately.

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Chris’s observations: 1 (none are research grade)

Locations:

• Kauai, HI

Months:

• Oct.: 1

For more details, use advanced search.

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Not all sites agree about the scientific name:

• Cyperus alternifolius ssp. flabelliformis → iNaturalist
• Cyperus involucratus → Calflora – CalPhotos – Jepson eFlora – FNA

Bay Area species: iNaturalist – Calflora