Dear Tanay My posting of photographs of ligule fringed with hairs and tuft of long hairs below floret and spiral leaves meant I had concluded this to be Phragmites karka. Thanks Vijayasankar ji, for initiating this process of thorough investigation.
-- Dr. Gurcharan Singh Retired Associate Professor SGTB Khalsa College, University of Delhi, Delhi-110007 Res: 932 Anand Kunj, Vikas Puri, New Delhi-110018. Phone: 011-25518297 Mob: 9810359089 http://people.du.ac.in/~singhg45/ On Wed, May 12, 2010 at 10:03 PM, tanay bose <[email protected]> wrote: > *Phragmites karka* (Retz.) Trin. ex Steud > > > > *Synonym:* > > *Arundo** karka* Retz. > > *Arundo** roxburghii* Kunth > > *Phragmites** maxima* (Forssk.) Blatter & McCann > > *Phragmites** nepalensis* Nees ex Steud. > *Phragmites** roxburghii* (Kunth) Steud. > > > Perennial reed, with creeping rhizomes. Culms erect, up to 10m high. > Leaf-blades 30-80 cm long and 12-40 nun wide, glabrous, rough to the touch > beneath (at least in the upper half), the tips attenuate and stiff > (occasionally almost smooth or with filiform tips). Panicle 30-50 cm long, > 10-20 cm wide, the lowest node often many-branched in a whorl, the branches > bare of spikelets for some distance from their base. Spikelets 9-12 mm long, > the rhachilla-hairs 4-7 mm long, rather sparse; lower glume just over half > as long as the upper; upper glume narrowly elliptic to very narrowly > elliptic, 4-6 mm long, acute to subacute; lowest lemma very narrowly > elliptic, 7.5-12 mm long; fertile lemmas very narrowly lanceolate, 85-11 mm > long. > > > > *Arundo donax* Linn. > > > > *Synonym:* > > *Arundo** bengalensis* Retz. > > *Arundo** bifaria* Retz. > > *Arundo** longifolia* Salisb. ex Hook. f. > *Arundo** triflora* Roxb. ex Hook. f. > > > Perennial, with creeping woody rhizomes. Culms erect, up to 5 m high. > Leaf-blades conspicuously distichous, linear-lanceolate, rounded or cordate > at the base, 30-60 cm long, 2.5-5 cm wide, glabrous, smooth, long-attenuate > at the tip. Panicle 30.60 cm long and 5.8(10) cm wide. Spikelets 10-15 mm > long; glumes subequal, lanceolate to narrowly lanceolate, (8-)10-13 mm long, > the lower a little shorter than the upper; lemmas lanceolate, (6)8.5-13 mm > long, 3-5-nerved, 3 of the nerves produced as short aristae, hairy all over > the back below the middle with hairs up to 7 mm long. > > > > *My Answer to the question given out by Gurcharan Ji is………..** > > * > > *Phragmites karka* > > *Tanay * > > > -- You received this message because you are subscribed to the Google Groups "efloraofindia" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/indiantreepix?hl=en.
