 
                                Persicaria lapathifolia (L.) Delarbre
| Synonym : | Persicaria tomentosa  (Schrank) E.P.Bicknell DiscolentalapathifoliaRaf. Persicarialinicola(Sutulov) Nenukow Persicariascabra(Moench) Moldenke Peutalisnodosa(Pers.) Raf. | 
|---|---|
| Bangla Name : | Lomos-bishkatali | 
| English Name : | Water smartwood,Hairy knotweed | 
| Family : | Polygonaceae | 
| Disease : | Ring worm | 
| Description : | Plants perennial, rhizomatous. Stems erect, sometimes prostrate below, robust, simple, pilose or glabrescent. Petiole 1-2 cm; leaf blade broadly lanceolate, both surfaces densely sericeous, base narrowly cuneate, margin entire, ciliate, apex long acuminate; ocrea tubular, membranous, densely pubescent, apex truncate. Inflorescence terminal, of panicled spikes, erect; bracts ovate, adpressed hispidulous, each 3- or 4-flowered. Pedicels longer than bracts. Perianth white, 5-parted; tepals elliptic. Stamens 7 or 8, included. Styles 2, free; stigmas capitate. Achenes included in persistent perianth, black, shiny, orbicular, biconvex. Fl. Sep-Oct, fr. Oct-Nov. | 
| Distribution : | - | 
| Chemical Constituents : | - | 
| Uses : | Ring worm | 
| Habit : | Herb | 
 
                         
                        