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Published In: Species Plantarum 2: 970. 1753. (1 May 1753) (Sp. Pl.) Name publication detailView in BotanicusView in Biodiversity Heritage Library
 

Project Name Data (Last Modified On 6/2/2011)
Acceptance : Accepted
Project Data     (Last Modified On 6/3/2011)
Contributor Text: RIZWAN Y. HASHMI & SAOOD OMER
Flower/Fruit: Fl. Per.: April-August.
Type: Type: Described from Europe (Mich. gen. 15. t.11. f. 2. 1729).
Distribution: Distribution: Most of Europe, South West Asia, India, Ceylon, NE & South Africa and South America.
Comment/Acknowledgements: Lemna gibba L. is easily differentiated from Lemna minor L. in being gibbous beneath, and by having larger air spaces.
Illustration: Lemna gibba L. (Illustration)
Map Location: B-6 Peshawar Distt.: Botany Dept., in a ditch, A. Rashid 1 (KUH); Pubi, Near Govt. Girls High School, A. Rashid & Hizar Hayat 2, 3 (KUH); B-7 Hazara Distt: Shogran, 2340 m, R.N. Parker 3405 (K); B-8 Kashmir: Padar, upper Chenab, 6000 ft., R.R. Stewart 2955 (K); Dal Lake, 5500, R.R. Stewart 3379 (RAW, K); Kashmir, 1921, B. Sahni s.n. (K); Gund, Sind Valley c: 7000 ft., R.R. Stewart 7159 (K); D-4 Quetta: near D.F.O’s Office Chaman Phatak, Abdul Ghafoor & Rizwan Yusuf 1068, 1069 (KUH); F-6 Khairpur Division: Rohri, near station in a ditch, S.M.H. Jafri 3664 (KUH, K); Ibid. Rizwan Yusuf & Adnan Yusuf 67(CUH); Rohri Cement Works, residential area, Rizwan Yusuf & Adnan Yusuf 72 (KUH); Ibid. Saood Omer & Rizwan Yusuf 1966 (KUH); G-4 Karachi: near Karimabad on way to North Nazimabad, 27.3.1985, Saood Omer s.n. (KUH); near Taj Mahal Hotel, 15.4.1985, Saood Omer & Rizwan Yusuf s.n. (KUH).

 

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Fronds free floating, broadly ovate to orbicular, dorsal surface greenish, sometime reddish brown, asymmetrical, slightly convex, 2-7 x 2-4 mm, mostly hemispherical and strongly swollen below with large inflated hyaline cells and air spaces and usually with 40-50 meshes and with 3-5 veins; new fronds budding laterally and remaining attached to very short stipes. Flowering cavity lateral, spathe enclosing 2 staminate and 1 pistillate flower. Fruit 1-5-seeded and winged; seed ribbed, utricle rounded.
 
 
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