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Family Cyperaceae
Scirpus grossus Linn. f.

Da piao cao

Scientific names Common names
Actinoscirpus grossus (L.f.) Goetgh & D.A. Simpson Agas (Bik.)
Hymenochaeta grossa (L.f.) Nees Baga-as (P. Bis.)
Hymenochaeta maxima (Roxb.) Nees Baki-baki (P. Bis.)
Isolepis maxima A. Dietr. Balakbak (Pang.)
Schoenoplectus grossus (L.f.) Palla Balañgot (P. Bis.)
Scirpus aemulans Steud. Bangkuang (Bik.)
Scirpus canaliculatotriqueter Steud. Ragiudiu (Bik.)
Scirpus griffithii Boeckeler Tikug (Mbo.)
Scirpus grossus L.f. Tikiu (Tag.)
Scirpus maximus Roxb. Titiu (Tag.)
Scirpus scaberrimus Boeckeler Greater club rush (Engl.)
  Giant bulrush (Engl.)
Scirpus grossus L.f. is a synonym of Actinoscirpus grossus (L.f.) Goetgh. & D.A.Simpson The Plant List
Actinoscirpus grossus (L.f.) Goetgh. & D.A.Simpson is an accepted name The Plant List

Other vernacular names
CHINA: Da piao cao.
INDONESIA: Mensiang, Walingi, Wlingi, Lingi, Wlingen.
KHMER: Meum plong, Kak chrung.
LAOS: Hua haeo yaeng.
MALAYSIA:Rumput menderong.
THAI: Kok, Kok prue, Kok samlien, Ta kraab.
VIETNAMESE: Lac her, Chi c[os]i d[uf]i.

Tikiu is a very coarse, large, erect, glabrous, aquatic or marshy herb. Stems are triangular, 1.5 to 2 meters high or more. Leaves are few, basal, often half as long as the stem, 1 to 2 centimeters wide, the leaflike bracts subtending the inflorescence, spreading, broad, 30 to 60 centimeters long. Inflorescence is corymbose, and 10 to 18 centimeters long. Spikelets are very numerous, brown, ovoid, and 5 to 8 millimeters long. Nuts are obovoid, trigonous, dark brown or black, and shining.

- In fresh-water swamps, edges of ponds, and in newly opened rice lands at low altitudes from central Luzon to Mindanao in most provinces and islands.
- Native to Southeast Asia.
- Naturalized in Australia, Borneo, Bhutan, Cambodia, China, Indochina, Indonesia, Laos, Malaysia, Myanmar, Pakistan, Sri Lanka, Thailand, and Vietnam.

- Study on tubers for total starch, amylose and proximate analysis of starch (S), flour peeled (FP), and flour unpeeled (FU) (g/100 g dry sample) yielded: total starch 87.69 (S), 87.37 (FP), 80.43 (FU); amylose 32.33 (S), 30.44 (FP), 29.49 (FU); protein 0.17 (S), 0.32 (FP), 0.36 (FU); fat (0.06 (S), 0.12 (FP), ).10 (FU); crude fiber 0.08 (S), 1.43 (FP), 2.44 (FU); ash 0.09 (S), 0.34 (FP), 0.48 (FU). (see study below) (13)

- Root considered sweet, colling, laxative, tonic to the liver, astringent, antidiarrheal, antiemetic.
- Studies have shown antidiabetic, antihyperlipidemic, phytoremediative properties.

Parts used
Roots, leaves, and stems.


- Root is astringent, and is given to check diarrhea and vomiting.
- Roots used against infection, burning sensatives, fevers and gonorrhea.
- Used as diuretic.
• Veterinary:
In India, sap extracted from leaves and stem of S. grossus is mixed with garlic (Allium sativum), and the paste applied topically for cattle wounds. (
• Basketry:
Stems, dried and flattened, are used for making mats, baskets, etc.
• Paper:
Study suggests a potential for production of moderate quality paper pulp. (see study below) 

Radioactive Pollution Indicator:
The sea weed (Scirpus grossus Linn ) was used as an experimental plant to indicate radioactive pollution in estuaries. The results showed that the accumulation of 137Cs, 65Zn, 60Co, 50Fe and 54Mn by Scirpus grossus was proportional to their concentration in the soil. (2)
Domestic Wastewater Treatment: Study examined the ability of Scirpus grossus planted in a constructed wetland to treat domestic wastewater. Results showed S. grossus has great potential in removing pollutants in constructed wetlands in tropical regions. (3)
Caloric Value Enhancement after Lead Phytotoxicity Test: Study showed the use of the plant as contaminant uptake in phytoremediation can enhance the caloric value of the plant. It presents a potential use as bioenergy alternative according to enhancement of its caloric value. (7)
Phytotoxicity Test on Diesel-Contaminated Water: Study showed S. grossus and rhizobacteria in a subsurface flow system has potential in reclaiming hydrocarbon-contaminated water through enhancement of rhizobacteria by S. grossus in degrading hydrocarbon. (8)
Phytoremediation of Wastewater / Lead: Study evaluated the effect of treatment of Pb contaminated wastewater by using phytoremediation technology. Fifty plants of S. grossus were grown in sand medium and spiked with various Pb concentration (10, 30, and 50 mg/ml). Results showed decrease in Pb concentration and suggest S. grossus is a hyperaccumulator. (11)
Antidiabetic / Antihyperlipidemic / Leaves: Study evaluated the antidiabetic and antihyperlipidemic activities of aqueous and ethanol extracts of leaves of S. grossus in alloxan induced diabetic rats. Findings showed significant reduction in blood glucose and lipids when compared to the diabetic control group.
Potential As Starchy Food / Glycemic Index / Tubers: Study investigated the flour and starch isolated from tubers of Scirpus grossus for their physiochemical properties and starch digestibility using peeled and unpeeled processes. Proximate analysis showed the flours from both processes yield considerably high total starch (>80%) with a potential use as starchy food. In vitro starch digestion assay found all samples with estimated glycemic index of about 55 or less. (see constituents above) (13)
Potential for Paper Pulp: Study suggests a potential for production of moderate quality paper pulp. or mixing with conventional materials for pulp amking such as straw, wood, or used papers in recycling or resuse processes. (14)


Last Update July 2016

IMAGE SOURCE: / Drawing / Scirpus grossus / 'Naples, M.L. (2005). Weeds of Rain Fed Lowland Rice Fields of Laos & Cambodia. Unpublished MSc thesis, University of Leiden / http://www.nationaalherbarium.nl/riceweedsweb/images/scirpgro.gif

Additional Sources and Suggested Readings
Scirpus kysoor Roxb. a new plant source of progesterone / Mujumdar AM, Pataskar RD et al / J Pharm Pharmacol. 1980 Apr;32(4):308.
A study on Scirpus grossus Linn as an indicator of radioactive pollution in estuaries / Cai Fulong Chen Ying Xu Pian Lai Zhaocai / DOI cnki:ISSN:0253-3219.0.1992-12-009
Effectiveness of Scirpus grossus in Treatment of Domestic Wastes in a Constructed Wetland / K. B. S. N. Jinadasaa; Norio Tanakab; M. I. M. Mowjoodc; D. R. I. B. Werellagamad / Journal of Freshwater Ecology
Volume 21, Issue 4, December 2006, Pages 603 - 612 / DOI: 10.1080/02705060.2006.9664121
Reeds And Stones Offer Cheaper But Effective Means To Treat Domestic Wastewater / Kuah Guan Oo
Ethno Veterinary practices among the rural people of Ganjam District (Orissa) India: A Case Study On some Common Veterinary Ailments / Dr Dibakar Mishra, Polasara, India
Scirpus grossus L. f. / Chinese names / Catalogue of Life, China
Enhancement of Caloric Value of Scirpus grossus After Phytotoxicity Test of Lead (Pb) / Tangahu Bieby Voijant / Revelation and Science, Vol 1, No 02 (2011)
Phytotoxicity test of Scirpus grossus on diesel-contaminated water using a subsurface flow system
/ Israa Abdulwahab Al-Baldawia, Siti Rozaimah Sheikh Abdullah , Fatihah Suja, Nurina Anuar, Mushrifah Idris / http://dx.doi.org/10.1016/j.ecoleng.2013.01.016,
Weeds of Rain Fed Lowland Rice Fields of Laos & Cambodia / Scirpus grossus common names / Monica L. Naples & Paul J. A. Kessler / National Herbarium
Actinoscirpus grossus (L.f.) Goetgh. & D.A.Simpson / Synonyms / The Plant List
Phytoremediation of wastewater containing lead (Pb) in pilot reed bed using Scirpus grossus.
/ Tangahu BV, Abdullah SR, Basri H, Idris M, Anuar N, Mukhlisin M. / Int J Phytoremediation. 2013;15(7):663-76 / DOI: 10.1080/15226514.2012.723069
Antidiabetic, antihyperlipidemic and histopathological studies of aqueous and ethanol extracts of leaves of Scirpus grossus in alloxan induced diabetic rats / Mohammad Wasim*, Kuldeep Singh, MK Mishra / International Journal of Pharmaceutical Sciences Letters 2015 Vol. 5 (6)| 627-631
Physicochemical properties and starch digestibility of Scirpus grossus flour and starch / Chutima Lerdluksamee, Khongsak Srikaeo, Josep Anton Mir Tutusaus, Juan García Diéguez / Carbohydrate Polymers, Volume 97, Issue 2, 12 September 2013, Pages 482–488 / DOI: 10.1016/j.carbpol.2013.05.001
Potential Uses of Some Aquatic Weeds as Paper Pulp / R. Joedodibroto, L.S. Widyanto and M. Soerjani / J. Aquat. Plant Manage. 21:29-32

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