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Sosin grass (Cymbopogon flexuosus)

Dlium Sosin grass (Cymbopogon flexuosus)

Sosin grass (Cymbopogon flexuosus) is a plant species in Poaceae, perennial, short rhizome, erect stem and segmented, ribbon-shaped leaves and green, flowers in panicles, grows wild in colonies on forest slopes and wastelands.

C. flexuosus has erect stems, 200-300 cm high, segmented and brown. The midrib is elongated, green, a bone in the middle is white, covering half the segment of the stem and the rest is open at the top.



The leaves are ribbon-shaped, getting smaller at the tip with a pointed tip, green, a bone in the middle and white, 50-100 cm long, 8-15 mm wide, fibrous surface and rough on both sides.

TAXON

Kingdom: Plantae
Phylum: Tracheophyta
Subphylum: Angiospermae
Class: Liliopsida
Order: Poales
Family: Poaceae
Subfamily: Panicoideae
Tribe: Andropogoneae
Subtribe: Anthistiriinae
Genus: Cymbopogon Spreng. in Pl. Min. Cogn. Pug. 2: 14 (1815)
Species: Cymbopogon flexuosus (Nees ex Steud.) Will.Watson in E.T.Atkinson, Gaz. N. W. Ind. 10: 392 (1882)

HOMOTYPIC SYNONYMS

Andropogon flexuosus Nees ex Steud. in Syn. Pl. Glumac. 1: 388 (1854)
Andropogon nardus subsp. flexuosus (Nees ex Steud.) Hack. in A.L.P.P.de Candolle & A.C.P.de Candolle, Monogr. Phan. 6: 603 (1889)

HETEROTYPIC SYNONYMS

Andropogon ampliflorus Steud. (1854)
Cymbopogon flexuosus var. arunachalis S.C.Nath & K.K.Sarma in Biochem. Syst. Ecol. 30: 159 (2002)
Cymbopogon flexuosus var. assamensis S.C.Nath & K.K.Sarma (2002)
Cymbopogon flexuosus var. coimbatorensis B.K.Gupta in Proc. Indian Acad. Sci., B 71: 94 (1970)
Cymbopogon flexuosus var. sikkimensis Bor in J. Bombay Nat. Hist. Soc. 52: 162 (1954)

PUBLICATIONS

Acevedo-Rodríguez, P. & Strong, M.T. (2012). Catalogue of seed plants of the West Indies. Smithsonian Contributions to Botany 98: 1-1192.

Ahmed, Z.U. (ed.) (2008). Encyclopedia of Flora and Fauna of Bangladesh 12: 1-505. Asiatic Society of Bangladesh.

Bosser, J. & Renvoize, S.A. (2018). Flore des Mascareignes 203: 1-276. IRD Éditions, MSIRI, RBG-Kew, Paris.

Bosser, J. (1969). Gramiées des pasturages et des cultures a Madagascar: 1-440. ORSTOM, Paris.

Boulos, L. (2005). Flora of Egypt 4: 1-617. Al Hadara Publishing, Cairo.

Clayton, W.D., Harman, K.T. & Williamson, H. (2006). World Grass Species - Synonymy database The Board of Trustees of the Royal Botanic Gardens, Kew.

Dobignard, D. & Chatelain, C. (2010). Index synonymique de la flore d'Afrique du nord 1: 1-455. Éditions des conservatoire et jardin botaniques, Genève.

Gilliland, H.B. (1971). A revised flora of Malaya 3: 1-319. The Royal Botanic Gardens, Singapore.

Hall, D.W. (2019). Grasses of Florida: 1-353. University press of Florida.

Henty, E.E. (1969). A manual of the grasses of New Guinea: 1-215. Division of Botany, Dpt. of Forests, LAE, New Guinea.

Kandwal, M.K. & Gupta, B.K. (2009). An update on grass flora of Uttarkhand. Indian Journal of Forestry 32: 657-668.

Karthikeyan, S., Jain, S.K., Nayar, M.P. & Sanjappa, M. (1989). Florae Indicae Enumeratio: Monocotyledonae: 1-435. Botanical Survey of India, Calcutta.

Kress, W.J., DeFilipps, R.A., Farr, E. & Kyi, D.Y.Y. (2003). A Checklist of the Trees, Shrubs, Herbs and Climbers of Myanmar. Contributions from the United States National Herbarium 45: 1-590.

Noltie, H.J. (2000). Flora of Bhutan 3(2): 457-883. Royal Botanic Gardens, Edinburgh.

Pandey, R.P. & Dilwakar, P.G. (2008). An integrated check-list flora of Andaman and Nicobar islands, India. Journal of Economic and Taxonomic Botany 32: 403-500.

Prasanna, P.V. & al. (eds.) (2024). Flora of India 32: 1-694. Botanical Survey of India.

Press, J.R. et al. (2000). Annotated Checklist of the Flowering Plants of Nepal: i-x, 1-430. Natural History Museum, London.

Robertson, S.A. (1989). Flowering Plants of Seychelles: 1-327. Royal Botanic Gardens, Kew.

Turner, I.M. (1995 publ. 1997). A catalogue of the Vascular Plants of Malaya. Gardens' Bulletin Singapore 47(2): 347-655.

Wu, Z. & Raven, P.H. (eds.) (2006). Poaceae. Flora of China 22: 1-733. Missouri Botanical Garden Press, St. Louis.

VERNACULAR NAME

Chinese (simplified): 曲序香茅
Chinese (traditional): 曲序香茅
English: Sosin grass, Cochin grass
Finnish: Malabarinsitrusheinä
French: Herbe de Cochin, Citronnelle des Indes orientales, Herbe de Malabar, Herbe de Cochin
Indonesia: Sosin, Sereh sosin
Java: Sosin, Sere sosin
Slovak: Vôňovec krivolaký

Aryo Bandoro
Dlium TheDlium
YouTube: https://www.youtube.com/@Dlium
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