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Lemna trisulca

Lemna trisulca (Photo: Christian Fischer)

Classification System: APG IV

Superregnum: Eukaryota
Regnum: Plantae
Cladus: Angiosperms
Cladus: Monocots
Ordo: Alismatales

Familia: Araceae
Subfamilia: Lemnoideae
Genus: Lemna
Species: Lemna trisulca
Name

Lemna trisulca L., 1753
Synonyms

Homotypic
Lenticula trisulca (L.) Scop., Fl. Carniol., ed. 2, 2: 213 (1772).
Staurogeton trisulcus (L.) Schur, Verh. Mitth. Siebenbürg. Vereins Naturwiss. Hermannstadt 4: 70 (1853).
Hydrophace trisulca (L.) Bubani, Fl. Pyren. 4: 23 (1901).
Heterotypic
Lenticula ramosa Lam., Fl. Franç. 2: 189 (1779).
Lemna cruciata Roxb., Fl. Ind. ed. 1832, 3: 566 (1832).
Lemna intermedia Ruthe, Fl. Mark Brandenburg, ed. 2: 277 (1834).
Lemna bisulca Veesenm., Beitr. Pflanzenk. Russ. Reiches 9: 104 (1854).
Lemna trisulca var. pygmaea Henn., Verh. Bot. Vereins Prov. Brandenburg 33: 8 (1891).
Lemna trisulca var. sagittata Makino, J. Jap. Bot. 3: 10 (1926).

Distribution
Native distribution areas:
References

Linnaeus, C. 1753. Species Plantarum. Tomus II: 970. Reference page.

Links

Govaerts, R. et al. 2018. Lemna trisulca in World Checklist of Selected Plant Families. The Board of Trustees of the Royal Botanic Gardens, Kew. Published on the internet. Accessed: 2018 Nov. 11. Reference page.
International Plant Names Index. 2018. Lemna trisulca. Published online. Accessed: Nov. 11 2018.
The Plant List 2013. Lemna trisulca in The Plant List Version 1.1. Published on the internet. Accessed: 2018 Nov. 11.
Tropicos.org 2018. Lemna trisulca. Missouri Botanical Garden. Published on the internet. Accessed: 2018 Nov. 11.
USDA, ARS, Germplasm Resources Information Network. Lemna trisulca in the Germplasm Resources Information Network (GRIN), U.S. Department of Agriculture Agricultural Research Service. Accessed: 08-Apr-12.

Vernacular names
العربية: لمنة ثلاثية الأخاديد
čeština: okřehek trojbrázdý
Cymraeg: Llinad dail eiddew
Deutsch: Dreifurchige Wasserlinse
English: Star Duckweed, Ivy Duckweed
فارسی: عدسک ستاره‌ای
suomi: Ristilimaska
français: Lentille d'eau à trois sillons
hornjoserbsce: Podnurjena kačizna
日本語: ヒンジモ
lietuvių: Trilypė plūdena
Nederlands: Puntkroos
polski: Rzęsa trójrowkowa
русский: Ряска трёхдольная, Ряска тройчатая, Ряска трехдольная
slovenčina: žaburinka trojbrázdová
svenska: Korsandmat
中文: 品藻

Lemna trisulca L. (syn. Staurogeton trisulcus (L.) Schur; star duckweed;[1] ivy-leaved duckweed[2]) is a species of aquatic plants in the arum family Araceae. It has a subcosmopolitan distribution. Unlike other duckweeds, it has submerged rather than floating fronds, except when flowering or fruiting.

Description

The leaves usually grow submerged and are oblong-lanceolate in shape and are up to 14 mm long. They are blunt at the end and taper to a tail-like stalk at the other.[3]
Distribution
Lemna trisulca submerged beneath a pool of water.

This species is widely distributed in cool-temperate regions, including Great Britain and Ireland,[4][5] Asia (Bangladesh, China (Northern, Western, Southern [Yunnan]), Taiwan, India (Eastern, Northern),, Indonesia (Sumatra, New Guinea), Brunei, Japan, Malaysia, Myanmar, Papua New Guinea, Pakistan, Philippines); Europe; Oceania; N. America; and S. America.[6]
References

"Lemna trisulca". Natural Resources Conservation Service PLANTS Database. USDA. Retrieved 2016-01-24.
BSBI List 2007 (xls). Botanical Society of Britain and Ireland. Archived from the original (xls) on 2015-06-26. Retrieved 2014-10-17.
Parnell, J. and Curtis, T. 2012. Webb's An Irish Flora. Cork University Press. ISBN 978-185918-4783
Clapham, A.R., Tutin, T.G. and Warburg, E.F. 1968. Excursion Flora of the British Isles. Cambridge University Press. ISBN 0 521 04656 4
Hackney, P. (Ed.) 1992. Stewart & Corry's Flora of the North-east of Ireland. Institute of Irish Studies. The Queen's University of Belfast. ISBN 0 85389 446 9(HB)
Ito, Y., T. Ohi-Toma, Nb. Tanaka, Nr. Tanaka, and J. Murata (umpubl.) New or noteworthy plant collections from Myanmar (8) Blyxa aubertii var. echinosperma, Lemna trisulca, and Najas tenuis. APG: Acta Phytotaxonomica et Geobotanica xx: xxx-xxx.

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