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CPIE Notebook Project - Grasses and Sedges of Hawai‘i and Guam Sedge Key – Page 35


Key to Genus Kyllinga L.

Kyllinga nemoralis

Sedges in the Genus Kyllinga are common garden and lawn weeds in Hawai‘i, typically occurring in disturbed areas on all the main Islands. These small plants spread aggressively via a creeping rhizome. Two naturalized species occur in Hawai‘i and the plants always seem to be in flower, making them easy to recognize and identify to species. Both are identified as native on Guam (Raulerson, 2006).


Figure 35A. Kili‘o‘opu (Kyllinga mindorensis) with distinctive white flower heads.


[GENUS KYLLINGA]

. .
25a (20) Flower heads (spikes) white (Figure 35A), fading to brownish white. Kili‘o‘opu. [HAW - NAT] [GUM - IND] [FAC]
    Kyllinga mindorensis Steud.

25b Kyllinga brevifolia head

Flower heads (spikes) green, fading to yellowish-green. Kili‘o‘opu. (Figure 35B) [HAW - NAT] [GUM - IND] [FAC]

       Kyllinga brevifolia Rottb.


Figure 35B. Head of Kyllinga brevifolia.


Selected synonyms for species described above:

    Cyperus kyllingia Endl. (= Kyllinga mindorensis; Cyperus mindorensis of some authors).
    Kyllinga nemoralis (J.R. Forst. & G. Forst.) Danby ex Hutch. & Dalziel (= Kyllinga mindorensis; Cyperus
         mindorensis
    of some authors).

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