Cyperus flavescens

L. (1753)

This name is accepted

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

Naturalized

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Description

Key Characters:

Growth Form:

Stems:

Roots:

Leaves:

Flowers:

Fruit:

Ploidy:

Habitat:

Elevation Range:

Historical Distribution

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Synonyms (85)

Chlorocyperus abyssinicus (Hochst. ex A.Rich.) Rikli (1895)

Chlorocyperus flavescens (L.) Rikli (1895)

Chlorocyperus intermedius Rikli (1895)

Cyperus abyssinicus Hochst. ex A.Rich. (1850)

Cyperus durandii Boeckeler (1895)

Cyperus eragrostis C.Krauss (1845)

Cyperus fallaciosus (Cherm.) Raymond (1964)

Cyperus flavens Pall. (1795)

Cyperus flavescens f. abyssinicus (Hochst. ex A.Rich.) Kük. (1936)

Cyperus flavescens f. caucasicus K.Koch (1848)

Cyperus flavescens f. compactus Asch. & Graebn. (1904)

Cyperus flavescens f. fontanesii (Kunth) Kük. (1936)

Cyperus flavescens f. gracillimus Asch. & Graebn. (1904)

Cyperus flavescens f. major Lojac. (1909)

Cyperus flavescens f. monostachyus Sacc. (1869)

Cyperus flavescens f. paraensis (Nees) Kük. (1936)

Cyperus flavescens f. setaceus Kük. (1936)

Cyperus flavescens subsp. fallaciosus (Cherm.) Lye (1983)

Cyperus flavescens subsp. intermedius (Rikli) Lye (1994)

Cyperus flavescens subsp. microglumis (Lye) Lye (1983)

Cyperus flavescens subsp. tanaensis (Kük.) Lye (1983)

Cyperus flavescens subvar. mohrii Farw. (1930)

Cyperus flavescens var. abyssinicus (Hochst. ex A.Rich.) C.B.Clarke (1884)

Cyperus flavescens var. castaneus (Lye) Lye (1983)

Cyperus flavescens var. fontanesii (Kunth) C.B.Clarke (1884)

Cyperus flavescens var. gussonei (Gasp. ex Guss.) Nyman (1882)

Cyperus flavescens var. minor Gaudin (1828)

Cyperus flavescens var. paraensis (Nees) Boeckeler (1868)

Cyperus flavescens var. piceus (Liebm.) Fernald (1939)

Cyperus flavescens var. poiformis (Pursh) Fernald (1939)

Cyperus flavescens var. pygmaeus Goiran (1875)

Cyperus flavescens var. rehmannianus (C.B.Clarke) Kük. (1921)

Cyperus fontanesii Kunth (1837)

Cyperus gussonei Gasp. ex Guss. (1844)

Cyperus intermedius Steud. (1842)

Cyperus ligusticus Gand. (1876)

Cyperus melanostachyus Walp. (1852)

Cyperus nieuwlandii Geise (1934)

Cyperus obtusiusculus Gand. (1876)

Cyperus pallidus Kit. ex Kanitz (1863)

Cyperus paraensis Mart. & Schrad. ex Nees (1842)

Cyperus piceus Liebm. (1850)

Cyperus piceus f. potosiensis (C.B.Clarke) Kük. (1936)

Cyperus piceus f. squalidus (Liebm.) Kük. (1936)

Cyperus poiformis Pursh (1813)

Cyperus polystachyus Jungh. (1831)

Cyperus rehmannianus (C.B.Clarke) Boeckeler ex Kuntze (1898)

Cyperus rehmannianus f. minor Kük. (1936)

Cyperus rehmannianus var. bathiei (Cherm.) Kük. (1936)

Cyperus rehmannianus var. rigidiculmis Kük. (1936)

Cyperus setaceus Wulfen (1858)

Cyperus squalidus Liebm. (1850)

Cyperus stramineus Link (1820)

Cyperus subintermedius Kük. (1936)

Cyperus subintermedius var. angustisquamatus Kük. (1936)

Cyperus subintermedius var. vicinus (Cherm.) Kük. (1936)

Cyperus tanaensis Kük. (1936)

Cyperus tonduzianus Boeckeler (1895)

Cyperus tristachyus Boeckeler (1868)

Cyperus tristachyus var. elongatus Boeckeler (1868)

Cyperus tristachyus var. minor Boeckeler (1868)

Cyperus xanthinus C.Presl (1828)

Distimus flavescens (L.) Raf. (1819)

Pycreus bathiei Cherm. (1923)

Pycreus debilissimus C.B.Clarke (1896)

Pycreus fallaciosus Cherm. (1936)

Pycreus flavescens (L.) P.Beauv. ex Rchb. (1830)

Pycreus flavescens f. caucasicus (K.Koch) Soó (1971)

Pycreus flavescens f. gracillimus (Asch. & Graebn.) Soó (1971)

Pycreus flavescens f. minor (Gaudin) Soó (1971)

Pycreus flavescens f. monostachyus (Sacc.) Soó (1971)

Pycreus flavescens f. setaceus (Kük.) Soó (1971)

Pycreus flavescens subsp. fallaciosus (Cherm.) Lye (1981)

Pycreus flavescens subsp. intermedius (Rikli) Lye (1981)

Pycreus flavescens subsp. microglumis Lye (1981)

Pycreus flavescens subsp. tanaensis (Kük.) Lye (1981)

Pycreus flavescens var. castaneus Lye (1981)

Pycreus flavescens var. rehmannianus (C.B.Clarke) Govaerts (2007)

Pycreus intermedius (Rikli) C.B.Clarke (1901)

Pycreus paraensis Nees (1842)

Pycreus piceus (Liebm.) C.B.Clarke (1908)

Pycreus potosiensis C.B.Clarke (1908)

Pycreus rehmannianus C.B.Clarke (1897)

Pycreus tristachyus (Boeckeler) C.B.Clarke (1908)

Pycreus vicinus Cherm. (1921)

Uses and Culture

USES

Natural History

Statewide Status

Naturalized

Island Status

Kaua'i Naturalized

Hawai'i Potentially naturalizing

Dispersal Agents

Pollinators

Specimens

Conservation Status

IUCN:Least Concern

Bibliography

Name Published In: Sp. Pl.: 46 (1753)

Other References

Faccenda 2023b:74 (NEWNAT/K, H, DESCR)

Occurrences

SNo.	Scientific Name	Locality	Habitat	Basis of Record	Description	Recorded By	Record Number	Island	Source	Date
1	Cyperus flavescens	Wailua homesteads, corner of Kahoalele and Kuamoo, along the side of the road.	Boggy area of lawn turf grass. Residential lawns spilling over onto roadside w/ lawn turf grasses. Linderna c.f. procumbins, Erigeron belliodes, Oldenlandia corymbosa, Desmodium incanum, Oxalis corniculata, Mimosa pudica, Portu...	Preserved_Specimen	Small plants less than 20 cm. Stems glaborous ca. 20 cm tall and 1 mm wide. Leaf blade 4 cm long and .5 m wide. Inflo terminal, distal spikelets spreading, 10 mm long and 3 mm wide. Rays 7-8 cm.	N. Tangalin	5133	Kauai	BISH	2021-02-18
2	Cyperus flavescens	Honoli'i, Kahoa St. along the Honoli'i Stream	Weed on roadside, wet, shady forest	Preserved_Specimen	One plant seen, caespitose sedge. Achene lenticular, black, 1 mm long, anthers .2 mm, 2 stigmas	Faccenda, K.	2645	Hawaii	BISH	2022-08-14
3	Cyperus flavescens	Hilo, Lahi St Waianuenue St.	Disturbed roadside, sunny, wet; common from compressed soil	Preserved_Specimen		Faccenda, K.	3572	Hawaii	BISH	2024-07-07
4	Cyperus flavescens	Kapa'a valley, Keahua arboretum, roadside in the arboretum	From saturated soil of roadside ditch, partly shaded area before crossing over Kawi Stream	Preserved_Specimen	Common	Faccenda, K.	2388	Kauai	BISH	2022-05-29
5	Cyperus flavescens	Near UH-Hilo	Coming up in waste areas. Associated vegetation: wet lowland non-native weeds (Melastoma candidum, Melochia, Trema).	Preserved_Specimen	Erect perennial herb, clump-forming, without stolons; ca. 1dm ht; flowers have terminal inflorescences, spikelets digitately disposed, single head w. many spikelets.	Starr, F.	1080112	Hawaii	BISH	2001-08-01

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