Potamogeton lucens

Potamogeton lucens L., Sp. Pl. 126 1753. (Syn: Buccaferrea lucida Bubani; Potamogeton acuminatus Schumach.; Potamogeton americanus Roem. & Schult.; Potamogeton angustifolius Bercht. & J.Presl ex Opiz; Potamogeton caudatus Seidl ex Opiz; Potamogeton coriaceus (Nolte ex Mert. & W.D.J.Koch) Fryer; Potamogeton corniculatus Schur; Potamogeton cornutus J.Presl & C.Presl; Potamogeton dentatus Hagstr.; Potamogeton gaudichaudii Cham. & Schltdl.; Potamogeton gramineus subsp. zizii (Mert. & W.D.J.Koch) K.Richt.; Potamogeton lanceolatus Eichw. [Illegitimate]; Potamogeton lindenbergii Lehm. ex Graebn.; Potamogeton longifolius J.Gay ex Poir.; Potamogeton lucens var. acuminatus (Schumach.) Fr. ……..; Potamogeton lucidus Gueldenst.; Potamogeton macrophyllus Wolfg.; Potamogeton nitens Willd. ex Cham. & Schltdl. [Illegitimate]; Potamogeton proteus Cham. & Schltdl.; Potamogeton rotundifolius Schultz [Illegitimate]; Potamogeton sinicus Migo; Potamogeton teganumensis (Makino) Makino; Potamogeton volhynicus Besser ex Roem. & Schult.; Potamogeton zizii Mert. & W.D.J.Koch ….; Spirillus lucens (L.) Nieuwl.); 
Afghanistan; Albania; Algeria; Altay; Amur; Assam; Austria; Azores; Baleares;
Baltic States; Belarus; Belgium; Bulgaria; Buryatiya; Central European Rus;
Chad; Chita; Corse; Czechoslovakia; Denmark; East European Russia; Egypt;
Eritrea; Ethiopia; Finland; France; Germany; Great Britain; Greece; Gulf States;
Hungary; India; Iran; Iraq; Ireland; Irkutsk; Italy; Japan; Kazakhstan;
Kirgizstan; Krasnoyarsk; Kriti; Krym; Lebanon-Syria; Libya; Madagascar;
Marianas; Mongolia; Morocco; Myanmar; Nepal; Netherlands; North Caucasus; North
European Russi; Northwest European R; Norway; Pakistan; Palestine; Philippines;
Poland; Portugal; Sardegna; Sicilia; Somalia; South European Russi; Spain;
Sudan; Sweden; Switzerland; Tadzhikistan; Transcaucasus; Tunisia; Turkey;
Turkmenistan; Tuva; Uganda; Ukraine; Uzbekistan; West Himalaya; West Siberia;
Yakutskiya; Yugoslavia as per Catalogue of Life;
Temp. Northern Hemisphere to Philippines as per WCSP;
 
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Potamogeton lucens from Dal Lake Kashmir: Potamogeton lucens Linn., Sp. Pl. 126. 1753.

Common name: Shining pondweed
Perennial aquatic herb with submerged leaves; leaves with 2-15 mm long petiole, translucent, elliptic-lanceolate to lanceolate, up to 15 cm long, 2-3 cm broad, 9-11 veined, margin undulate, minutely denticulate; stipules free, up to 7 cm long, 2-keeled; flowers small in 3-6 cm long dense spike on up to 20 cm long peduncle; carpels 4; fruit ovoid, 3-5 mm long with distinct beak. 
Photographed from Dal Lake, Srinagar, Kashmir in June, 2011

 
 
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