Dear Surajit, This is Arundo donax. The most distinguishing vegetative character is the amplexicaul leaves (the leaf base circling the stem). This feature is not found in Phragmites. Regards... Manoj Chandran
On Sunday, July 29, 2012 9:46:32 PM UTC+5:30, surajit koley wrote: > > Sir / Madam, > > A Bengali book on some selected grasses informs two similar looking > grasses in West Bengal are *Arundo donax* L. and *Phragmites karka* (Retz,) > Steud., the leaves of the later measure 15-30 cm x 2.5 cm ( > http://www.fao.org/ag/AGP/AGPC/doc/Gbase/DATA/PF000309.HTM) or 80 x 2-3 > cm (http://www.efloras.org/florataxon.aspx?flora_id=3&taxon_id=200025876) > or 30-80 cm long and 12-40 nun (???) ( > http://www.efloras.org/florataxon.aspx?flora_id=5&taxon_id=200025876). > > I think my species is *Arundo donax* > L.<http://www.efloras.org/florataxon.aspx?flora_id=5&taxon_id=200024889> > > Species : *Arundo donax* > L.<http://www.efloras.org/florataxon.aspx?flora_id=3&taxon_id=200024889>? > Habit & Habitat : tall grass, avg. 5 feet tall, leaves 40 cm x 3.8 cm > approx.; a few at far end are more than 8 feet and with broader leaves; > beside railway track > Date : 28/7/12, 9.10 A.M. > Place : Balarambati (Hooghly) > > Thank you & Regards, > > Surajit Koley > >
