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Cyperus rigidifolius

Steud. (1842)

This name is accepted

Kingdom: Viridiplantae Phylum: Magnoliophyta Class/Clade: Monocots Order: Poales Family: Cyperaceae Genus: Cyperus

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Description

Key Characters:

Growth Form:

Stems:

Roots:

Leaves:

Flowers:

Fruit:

Ploidy:

Habitat:

Elevation Range:

Historical Distribution

Images

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Uses and Culture

USES

Natural History

Statewide Status

Naturalized

Island Status

Maui Potentially naturalizing
Hawai'i Potentially naturalizing

Dispersal Agents


Pollinators

Specimens

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Bibliography

Name Published In: Flora 25: 593 (1842)

Other References

Imada & Kennedy 2020:75 (NEWNAT/EM, H, DESCR [as C. stoloniferus]); Faccenda & Strong 2024:174 (C. stoloniferus misapplied = C. rigidifolius, DESCR)

Occurrences

SNo. Scientific Name Locality Habitat Basis of Record Description Recorded By Record Number Island Source Date
1 Cyperus rigidifolius Kahuku Ranch, 1 mile E of H.O.V.E. Pasture w. Ohia-Koa remnants. Preserved_Specimen Duvall, F. Hawaii BISH 2006-11-30
2 Cyperus rigidifolius East Maui, near Olinda, on Olinda Rd Growing in pasture near Pookela Church, near the outdoor polo field. Large patches in pasture visible due to dark glumes. Preserved_Specimen Sedge up to 50 cm tall, lvs green, sheathing bases brown; glumes 2-ranked, in 1 plane, black-purple to brown-black. Starr, F. 9101 Maui BISH 2000-09-10
3 Cyperus rigidifolius East Maui, Makawao Distr, Piiholo. Naturalized in lawn used as a hleicopter landing zone, adjacent to Maui Invasive Species Committee baseyard. Preserved_Specimen Oppenheimer, H.L. 41416 Maui BISH 2014-04-23
4 Cyperus rigidifolius Kula, Kekaulike Ave near Puanani Pl Roadside in sunny area Preserved_Specimen Common stoloniferous grass, dominant in occasionally mowed area. Flowering only within 50 cm or so from the road, all plants which were further away were sterile. This matches behavior seen in Kahuku on Hawai'i island where this sedge only flowers from co Faccenda, K. 2822 Maui BISH 2022-10-29
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