Spirodela polyrrhiza (L.) Schleid., Linnaea 13: 392 1839. (Syn: Lemna bannatica Waldst. & Kit. ex Schleid.; Lemna major Griff.; Lemna maxima Blatt. & Hallb.; Lemna obcordata P. Beauv.; Lemna orbicularis Kit. ex Schult.; Lemna orbiculata Roxb.; Lemna polyrrhiza L.; Lemna polyrrhiza var. concolor Kurz; Lemna thermalis P.Beauv. ex Nutt.; Lemna thermalis P. Beauv.; Lemna transsilvanica Schur [Invalid]; Lemna umbonata A.Br. ex Hegelm.; Lenticula polyrrhiza (L.) Lam.; Spirodela atropurpurea Montandon; Spirodela maxima (Blatt. & Hallb.) McCann; Spirodela polyrrhiza var. masonii Daubs; Telmatophace orbicularis (Kit. ex Schult.) Schur; Telmatophace polyrrhiza (L.) Godr.); Spirodela polyrhiza (L.) Schleid. from Hooghly: According to the "Plant Groups", a college text book, Spirodela polyrrhiza L., is a common floating herb; and according to wiki "polyrrhiza" is a orthographical variant of "polyrhiza"! Species : Spirodela polyrhiza (L.) Schleid. Habit & Habitat : aquatic herb in a pond Date : 30/8/12, 12.17 p.m. Place : Garalgacha (Hooghly) but these leaves are growing in some mathematical precision pattern... tumi paro baba. first grasses now aquatics Charpasher soundarya ekhon hoyto ektu adhtu andaz korte parchi. Araceae Fortnight 1 Aug to 15 Aug 2014 : Spirodela polyrrhiza (L.) Schleid. : SK-38 : 2 posts by 2 authors. Attachments (1). Arecaceae, Araceae, Zingiberaceae Fortnight 1-14 Aug 2014: Spirodela polyrhiza (Araceae) from Uttarakhand_DSR_16 : 1 post by 1 author. Attachments (2). Spirodela polyrhiza (L.) Schleid. is a common winter/spring aquatic weed in Pantnagar. Araceae, Arecaceae and Zingiberaceae Fortnight: Araceae- Lemna sp from Delhi for ID-GSAUG73 : 4 posts by 2 authors. Attachments (3). Please help in the ID of Lemna sp. photographed from our College pond in Delhi. All these are Spirodela polyrhiza (L.) Schleid. Araceae, Arecaceae and Zingiberaceae Fortnight: Araceae- Lemna japonica from Kashmir for validation-GSAUG72 : 5 posts by 3 authors. Attachments (3). Lemna japonica Landolt, Veröff. Geobot. Inst. E.T.H. Stiftung Rübel Zürich. 70: 23. 1980. Supposed to be differing from L. minor in intense red fronds beneath. Pl. validate. Photographed from Dal Lake Kashmir. Now placed in Lemnaceae. It appears in the pictures that fronds have many roots underside. Lemna is described as having 1 or 2 roots only, more than 2 roots indicate towards Spirodela. These are Spirodela polyrhiza (L.) Schleid. Araceae, Arecaceae and Zingiberaceae Month: Araceae-Spirodela polyrhiza :: NS Aug 32 : 4 posts by 3 authors. Attachments (3). This floating hydrophyte is very common.. Please suggest id.. Is this Spirodela polyrhiza..?? Yes, Spirodela polyrhiza. Thanks a lot ... for confirming... Araceae, Arecaceae and Zingiberaceae Month: Araceae- Spirodela for id:: NS Aug 33 : 4 posts by 3 authors. Attachments (3). This was reported from a water body with stagnant water.. Is there mixing up of Spirodela and Lemna..?? This seems to be a different species looking upon striated leaves.. please give your valuable comments... Very nice pictures ...! I think it is Spirodela polyrhiza. Araceae, Arecaceae and Zingiberaceae Fortnight: August 1 to 14, 2014 : Araceae : Lemna minor : For Validation : Mumbai : 300814 : AK-121 : 3 posts by 2 authors. Attachments (2). Seen floating in a pond at Jijamata Udyan, in August,2014. Kindly validate. References: |
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