Following: Govaerts et al. 2007: World checklist of Cyperaceae, sedges. Kew Publishing. 765 p.
Other identifications
Identification
Determined name:
Cyperus involucratus Rottb.
Determiner:
W.R. Sykes
Identification date:
1995-05-02 (Verbatim: 2 May 1995)
Preferred name:
Cyperus alternifolius subsp. flabelliformis Kük.
Active:
no
Identification type:
Determination
Collection events
Primary collection event
Collection event type:
Field
Standard locality
Location:
Aitutaki, Vaipae
Verbatim locality:
Aitutaki, Vaipae
Verbatim collector:
W.R. Sykes 4784/CI
Standardised collector:
William R. Sykes
Verbatim date:
2 May 1995
Start date:
1995-05-02
Country:
Cook Islands
Habitat:
Margin of taro swamp.
Notes:
Large clump-forming sedge with culms to 1.5 m or so, forming a dense stand. Culms triquetrous. Leaves at top in umbrella-like clusters, glossy deep green. No reproductive parts.