Lemna trisulca

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.

Lemna trisulca
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Order: Alismatales
Family: Araceae
Genus: Lemna
Species:
L. trisulca
Binomial name
Lemna trisulca

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

This species is widely distributed in cool-temperate regions, including Great Britain and Ireland,[4][5] Asia (Bangladesh, China (Northern, Western, Southern [Taiwan, Yunnan]), 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
  1. "Lemna trisulca". Natural Resources Conservation Service PLANTS Database. USDA. Retrieved 2016-01-24.
  2. "BSBI List 2007". Botanical Society of Britain and Ireland. Archived from the original (xls) on 2015-01-25. Retrieved 2014-10-17.
  3. Parnell, J. and Curtis, T. 2012. Webb's An Irish Flora. Cork University Press. ISBN 978-185918-4783
  4. 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
  5. 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)
  6. 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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