Skip to main content

Rice flat-sedge (Cyperus iria)

Rumput alang-alang sawah or rice flat-sedge (Cyperus iria) is a plant species in Cyperaceae, an annual grass that grows in seasonally wet places, open or shady fields, swamps, ponds, paddy fields, roadsides, open forest, secondary forest and shrubs at altitudes up to 1800 meters. .

C. iria has erect stems, triangular in shape, 10-50 cm high from very short rhizomes. Ribbon-shaped leaves and midrib, narrow and long, pointed tip, smooth, shiny, green, growing at the bottom and at the top of the stem.

Dlium Rice flat-sedge (Cyperus iria)


Terminal flowers appear at the end of the stem and are cylindrical spikelets. Each stem bears from two to seven flowers, each having a long stalk which grows terminally at the end of the stem together with the leaves and is green in color.

This species grows solitary or in small groups that are widely spaced. Propagating using vegetative and generative methods using seeds.

These grasses are often classified as common weeds in gardens but some are invasive. The plant is sometimes cultivated for its edible root in parts of Africa where the rhizomes are roasted and the roots are used for brushes.



Kingdom: Plantae
Phylum: Tracheophyta
Subphylum: Angiospermae
Class: Liliopsida
Order: Poales
Family: Cyperaceae
Subfamily: Cyperoideae
Tribe: Cypereae
Genus: Cyperus
Species: Cyperus iria

Popular Posts

Limestone beads (Jacquemontia paniculata)

Limestone beads ( Jacquemontia paniculata ) is a species of plant in the Convolvulaceae. It is a herbaceous, twining climbing plant with cylindrical, branched, green stems. It grows in shrubs, teak forest floors, agricultural lands, roadsides, and abandoned areas. J. paniculata has arrow-shaped, green leaves with a central main vein and numerous pinnate minor veins. The leaves are up to 9 cm long, 7 cm wide, and have stalks up to 5 cm long. The flowers are star-shaped, about 1 cm in diameter, and bluish-white. TAXON Kingdom: Plantae Phylum: Tracheophyta Subphylum: Angiospermae Class: Magnoliopsida Order: Solanales Family: Convolvulaceae Subfamily: Dichondroideae Tribe: Jacquemontieae Genus: Jacquemontia Choisy in Mém. Soc. Phys. Genève 6: 476 (1833 publ. 1834) Species: Jacquemontia paniculata (Burm.f.) Hallier f. in Bot. Jahrb. Syst. 18: 95 (1893) Variety: Jacquemontia paniculata var. grandiflora Ooststr., Jacquemontia paniculata var. lanceolata S.H.Huang, Jacquemontia paniculata v...

Plumeria rubra and Plumeria obtusa, the differences

SPECIES HEAD TO HEAD - The genus frangipani trees ( Plumeria Tourn. ex L.) has only 18 officially recorded species and two very similar species, frangipani ( Plumeria rubra L.) and white frangipani ( Plumeria obtusa L.). Both have the same habitus, flowers and fruits and are difficult to distinguish. The leaves of both species have slightly different shapes. Therefore, the leaves are very important to distinguish the two species, especially the shape of the tip. P. rubra has simple, lanceolate leaves with acute tips. P. obtusa has simple, elliptic leaves with rounded tips. By Aryo Bandoro Founder of Dlium.com . You can follow him on X: @Abandoro . Read more: Plumeria rubra Plumeria obtusa

Kunu buti (Mesosphaerum suaveolens)

Kunu buti ( Mesosphaerum suaveolens ) is a species of plant in the Lamiaceae family. It is an erect, herbaceous annual, growing up to 1.5 meters tall. Its cylindrical, rough, brown or green stem is hairy and white. It grows on forest floors, bushes, agricultural fields, and roadsides. Its roots are fibrous and brownish-yellow. M. suaveolens has single, opposite leaves, stalks 2-5 cm long and hairy. The leaf blades are green, hairy, oval, with pointed tips, blunt bases, serrated edges, up to 6 cm long, up to 5 cm wide, and pinnate veins. The flowers are compound, axillary, in clusters, perfect, and bisexual. The petals are attached, forming a tube, each tip elongated like a spine, soft, 3-10 mm long, and green. The corolla is attached, asymmetrically detached, 1-2 cm long, and purple. The fruit is single, hard, capsule-shaped, hairy on the surface, and green or brown in color. The seeds are round, small and blackish brown in color. TAXON Kingdom: Plantae Phylum: Tracheophyta Subphyl...