Cyperus alternifolius
Umbrella Papyrus
As recorded: Cyperus alternifolius subsp. flabelliformis Kük.
Plantae › Tracheophyta › Liliopsida › Poales › Cyperaceae
- Collected by
- Inafuku, R.
- Collector number
- s.n.
- Date
- February 1, 1931
- Locality
- Nuuanu, Honolulu
- Island
- Oʻahu
- Region
- Hawaii, United States
- Identified by
- (Nom. rev.) Faccenda, K.
- Record type
- Preserved specimen
Collected the same day
On February 1, 1931, Inafuku, R. also collected 3 other specimens.
Cyperus alternifolius observed alive in Hawaiʻi
This specimen was collected in 1931. Since 2000, iNaturalist observers have recorded 266 research-grade sightings in the wild, most recently on 2026-10-16.
2026-10-16
Aloha ʻOe Dr, Kailua, HI, US
(c) ashoki, some rights reserved (CC BY-NC)
2026-09-14
Maui County, US-HI, US
(c) caltony, some rights reserved (CC BY-NC)
2026-09-05
Kinoole St, Hilo, HI, US
(c) Julien Carley-Windeler, some rights reserved (CC BY-NC)
2026-09-05
Kauai County, US-HI, US
(c) John Morris, some rights reserved (CC BY-NC)
2026-08-10
Ala Moana Blvd, Honolulu, HI, US
(c) Julien Carley-Windeler, some rights reserved (CC BY-NC)
2026-08-08
Koloa Rd, Kōloa, HI, US
(c) Cpl130, some rights reserved (CC BY-NC)
Observations and photos from iNaturalist, shown only when openly licensed.
Cite this specimen
Cyperus alternifolius. BISH 116920. Bernice Pauahi Bishop Museum, Honolulu. GBIF occurrence 5956545254. Accessed via explore.bishopmuseum.org/specimens/bish/116920.
Record sources
- GBIF occurrence 5956545254 ↗
- Data license: CC_BY_NC_4_0
- Last harvested October 26, 2026