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Family • Cyperaceae
Apulid-gapang
Cyperus stoloniferus Retz.
Cu gen jing suo cao

Scientific names Common names
Cyperus stoloniferus Retz. Apulid-gapang (Tag.)
Cyperus arenarius Hance ex C. B. Clarke  
Cyperus bulbosus (non Vahl.) Camus  
Cyperus rotundus (non L.) Benth  
Cu gen jing suo cao (Chin.)  

Other vernacular names
VIETNAMESE: Cói gấu biển; Cú biển; Cói củ; Cỏ gấu biển; Hương phụ biển; Hải dương phụ.

Botany
Apulid-gapang is a sedge plant with long-creeping rhizomes. Stems are 10 to 20 centimeters long. Umbels are simple, contracted or subcapitate, with the rays about 2.5 centimeters long. Spikelets are terete, 8- to 20-fid, shortly spicate, with the glumes more closely packed than Cyperus rotundus.

Distribution
- In open places at low altitudes, in the Luzon, but otherwise rather rare and local in distribution.
- Also occurs in tropical Asia to Mauritius, Taiwan and through Malaya to tropical Australia, in swamps, open grasslands, and moist places along seashores.

Properties
 - Considered cardiac stimulant.
- Stomachic.

Parts used
Tuber.

Uses
Folkloric
- In India, the fragrant tuber is used as stomachic.
- Also, used as heart stimulant.

Studies
 • Analgesic Effect: Study of rhizomes and total alkaloids and essential oil from C. stoloniferous showed analgesic effect in the acetic acid and writhing test.

Availability
Wild-crafted.

Last Update February 2013
IMAGE SOURCE: Digitally modified / Cyperus stoloniferus Retz. / Habit, Spikelet and Nut / Source of illustration : Backer (1918) /
Additional Sources and Suggested Readings
(1)
Cyperus stoloniferus Retz. / Chinese name / Catalogue of Life, China
(2)
Study on analgesic effect of Cyperus stoloniferus Retz / Hanoi Pharmaceutical M Vietnam / Tap chi duoc Hoc 1994, 1:16-17.
(3)
Cyperus stoloniferus Retz. / Vietnamese names / Vietnam Plant Data Center
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