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Family Cyperaceae
Cyperus brevifolius (Rottb.) Hassk.
Duan ye shui wu gong

Scientific names Common names
Cyperus brevifolius (Rottb.) Hassk. Bibi-inok (Bon.) 
Kyllinga brevifolia Rottb. Kadkadot (Ig.)
Kyllinga longiculmis Miq. Pugo-pugo (C. Bis.) 
Duan ye shui wu gong (Chin.)  Green kyllinga (Engl.)
  Green water sedge (Engl.)
  Kyllinga weed (Engl.) 
  Mullumbimby couch (Engl.)
  Short leaved kyllinga (Engl.)
  Shortleaf spikesedge (Engl.)

Other vernacular names
VIETNAMESE: Co bac dau la ngan.
CHINESE: Duan ye shui wu gong.
HAWAIIAN: Kaluhā, Kili'o'opu, Manunēnē, Mau'u mokae.
JAPANESE: Himekugu.
MANGAREVAN: Mutie iwa.
MAORI: Mauku 'ōniāni, Tumu 'enua.
PALAUAN: Deus, Esechesiding
SAMOAN: Tuisē, Tuisē, Tuse.
SATAWALESE: Fithin nar.
SPANISH: Fosforito, juncia corta.
TAHITIAN: Mo'u upo'lo.
TONGAN: Pakopako.
YAPESE: Bwogorewau, Nikamoyr.

Pugo-pugo is an annual herb with slender stems, 10 to 50 centimeters high, usually scattered, rising from slender creeping rootstocks. Leaves are narrow, 3 to 10 centimeters long and less than 3 millimeters wide; shining green. Spikes are mostly solitary, ovoid, green to white, 8 millimeters long or less. Spikelets very numerous, lanceolate, about 3 millimeters long, with the keel of the flowering glume not winged. Whole inflorescence is subtended by 3 long leafy bracts. Fruit is a nut, about 1 millimeters long and compressed.

- Throughout the Philippines, at low to medium altitudes, especially in open grasslands, waste places, along dikes, rice paddies and other moist places, at low and medium altitudes.
- Pantropic.

- Kyllinga leaves are glossier than turfgrass leaves. Also, they have a distinctive "minty sweet" scent when leaves are mowed or crushed.

Parts utilized
· Whole plant.
· Collect year round, wash under the sun.

- Prepared drug minty tasting and neutral-natured.
- Decongestant, antipyretic, antiinflammatory, analgesic, antimalarial.

· In Paraguay folk medicine, rhizomes used as a refreshing drink.
· Colds with fever; when taken internally, has a perspiring (sudorific) effect.
· Whooping cough, bronchitis, swelling pain in the throat, malaria.
· Snake bites, furuncles, sprains: Apply poultice of pounded fresh leaves.
· Skin pruritus: Decoction may be used as an external wash.

· In India, used for dysentery - ten fresh tubers made into paste and consumed with rice; once daily for three days.
· Used for liver disease.
· Malays used the rhizome for poulticing sore legs.
· In Paraguay folk medicine, used as digestive, diuretic, sedative, tonic, antispasmodic, and sudorific.

CNS Depressant Activity / Sedative Effect: Study of crude hydro-alcoholic rhizome extract of Kyllinga brevifolia on mice showed increase gastrointestinal transit, decrease spontaneous locomotor activity, piloerection, passitivity, catatonia and stereotyped behavior. It also showed a significant dose-dependent increase in hypnotic effect induced by pento-barbital. Results explain it traditional use to alleviate stress and as a sedative agent.
Flavonoids / Antiviral: Study yielded two known flavonoids glycosides and a new quercetin. triglycoside, a compound that showed moderate antiviral activity.
Anxiolytic / Sedative: Study of crude hydro-alcoholic extract and fractions of rhizome showed a weak sedative and interesting anxiolytic-like effect in mice and suggests a potential for use in women.
Hepatoprotective: Study evaluated a methanolic extract of whole plant of K. brevifolia in male Wistar albino rats showed significant protection against CCl4-induced hepatocellular injury.


Last Update February 2013

IMAGE SOURCE / PUBLIC DOMAIN / Killinga brevifolia (Cyperus brevifolia) Rottb. var. leiolepis (Fr. et Sav.) Hara / Show_ryu / 7 July 2009 / Wikimedia Commons

Additional Sources and Suggested Readings
Acute toxicity and general pharmacological effect on central nervous system of the crude rhizome extract of Kyllinga brevifolia Rottb. / M C Hellion-Ibarrola et al / Journal of Ethnopharmacology
Volume 66, Issue 3, September 1999, Pages 271-27
/ doi:10.1016/S0378-8741(99)00002-1
Characterisation of new oligoglycosidic compounds in two Chinese medicinal herbs
/ Sandra Apers et al / Phytochemical Analysis• Volume 13 Issue 4, Pages 202 - 206 / DOI 10.1002/pca.642
Medicinal plants used against dysentery, diarrhea and cholera by the tribes of erstwhile Kament district of Arunachal Pradesh / A Kar and S K Borthakur / Natural Product Radiance, Vol 7(2), 2008, pp 176-181.
Kyllinga weeds defy some herbicides / Todd Lowe; Bert McCarty, Ph.D.; and Ted Whitwell, Ph.D. / Golf Course Management
Anxiolytic-like and sedative effects of Kyllinga brevifolia in mice / María del Carmen Hellión-Ibarrola*; Yenny Montalbetti; Olga Y. Heinichen; María L. Kennedy; Miguel A. Campuzano; Derlis A. Ibarrola / Rev. bras. farmacogn. vol.22 no.6 Curitiba Nov./Dec. 2012 Epub Sep 20, 2012 / http://dx.doi.org/10.1590/S0102-695X2012005000112
Kyllinga brevifolia Rottb., Cyperaceae / Common names / Pacific Island Ecosystems at Risk / PIER
HEPATOPROTECTIVE EFFECTS OF KYLLINGA BREVIFOLIA ON CARBON TETRACHLORIDE INDUCED LIVER DAMAGE IN RATS / Bhattasri Sree Charan / International Journal of Pharmacology Research / 1(1), 2011, 16-20.

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