Kauaʻi Conservation Atlas

Kauaʻi record · kba_plant_cyperus_javanicus

Coastal flatsedge

Cyperus javanicus

Open this record in the interactive Atlas
Botanical ecological plate for Coastal flatsedge (Cyperus javanicus).
Botanical ecological plate for Coastal flatsedge (Cyperus javanicus). · Kauaʻi Conservation Atlas · AI-generated reconstruction · Kauaʻi Conservation Atlas community media · Primary ecological plate v1.2.0; individual visual review passed; botanical diagnostic review pending · Image source

About Coastal flatsedge

ahuawa is a sedge in the Kauaʻi vascular and land plants group. Its origin status is indigenous.

Kauaʻi evidence

Species identity and image source are documented. Additional ecological and conservation citations are recommended.

Names and classification

Scientific name
Cyperus javanicus
Common names
Coastal flatsedge
Hawaiian names
Ahuawa
Record type
Species or taxonomic group

Kauaʻi occurrence and status

Kauaʻi occurrence
Documented on Kauaʻi
Origin
Indigenous
Conservation status
Conservation priority; formal rank not listed
Evidence date
2026-09-13
Evidence limits
No major occurrence uncertainty noted

Habitat and ecology

Habitats
Coastal wetlands · Brackish edges · Strand
Food and resource needs
Light, water, nutrients, and suitable soil or substrate
Reproduction
Viable propagules and suitable establishment conditions
Shelter
Suitable soil, substrate, and vegetation structure
Growth form
Sedge

Threats and conservation

Threats
Coastal development, hydrologic alteration, invasive plants
Conservation actions
Protect coastal wetland vegetation
Monitoring
Protect coastal wetland vegetation
Data gaps
Additional ecological and conservation citations are recommended

Process and seasonal context

Seasonal timing
Not assessed
Seasonal description
ahuawa is a sedge in the Kauaʻi vascular and land plants group. Its origin status is indigenous.

Sources and further reading

Explore field guides

Suggest changes to this record