• Latin name
• Family
• Common name(s)
• Synonym(s)
• Geographical distribution
• Morphology
• Biology and ecology
• Agricultural importance
• Management
• Selected references
• Contributors

Schoenoplectus articulatus

Schoenoplectus articulatus has smooth stem and ovoid to oblong flowers at mid-point or near the base of the stem (IRRI).

Latin name

Schoenoplectus articulatus (L.) Palla

Family

Cyperaceae 

Common name(s)

Sedge 

Synonym(s)

Scirpus articulatus L. (basionym), S. articulatus var. major Boeck., S. articulatus L., S. fistulosus Forssk., S. rehmannianus Boeck. ex C. B. Clarke, Isolepis articulatus (L.) Nees

Geographical distribution

South and Southeast Asia: Bangladesh, India, Indonesia, Malaysia, Pakistan, Philippines, Sri Lanka, Thailand, and Vietnam.

Rest of the world: Madagascar.

Morphology

A densely tufted annual or perennial; to 30—100—cm—tall.

Stem: smooth and partitioned across, hollow, approximately circular in any cross section and varying diameter.

Leaf: reduced to bladeless, straw-colored to brown and obliquely truncate sheath.

Inflorescence: 7—30 ovoid to oblong spikelets; spikelets 8—17—mm—long located mid-point or near base of stem.

Fruit: obovoid, black, and shining nut, 3—angled, 1.5—mm—long.

Biology and ecology

Prefers wet swampy areas and lowland rice fields. 

Agricultural importance

Widely distributed: however, its importance as a weed in rice is unclear.

Management

Not known.

Selected references

Kern JH. 1974. Cyperaceae. Flora Malesiana Ser. 1 7(3): 435-753.

Merrill ED. 1976. A flora of Manila. Manila (Philippines): Department of the Interior, Bureau of Science. 491 p.

Moody K. 1989. Weeds reported in rice in South and Southeast Asia. Manila (Philippines): International Rice Research Institute. 442 p.

Soerjani M, Kostermans AJGH, Tjitrosoepomo G. 1987. Weeds of rice in Indonesia. Jakarta (Indonesia): Balai Pustaka. 716 p.

Contributors

JLA Catindig, RT Lubigan, and DE Johnson