*Equisetum arvense* Linnaeus, Sp. Pl. 2: 1061. 1753. Field horsetail, common horsetail,
Aerial stems dimorphic; vegetative stems green, branched, 2--60(--100) cm; hollow center 1/3--2/3 stem diam. Sheaths squarish in face view, 2--5(--10) × 2--5(--9) mm; teeth dark, 4--14, narrow, 1--3.5 mm, often cohering in pairs. Branches in regular whorls, ascending, solid; ridges 3--4; valleys channeled; 1st internode of each branch longer than subtending stem sheath; sheath teeth attenuate. Fertile stems brown, lacking stomates, unbranched, shorter than vegetative stems, with larger sheaths, fleshy, ephemeral. 2 n =ca. 216. Tanay On Wed, May 19, 2010 at 3:00 PM, Gurcharan Singh <singh...@gmail.com> wrote: > Yes that is what I wrote > They go with genera > > -um arvense > -is, -a, -us-, -pogon arvensis > > > On Wed, May 19, 2010 at 2:53 PM, Pravir <prav...@gmail.com> wrote: > >> Gurcharan Sir >> >> The name of plant is Equisetum arvense L. as per the Catalog of Life: >> 2009 Annual Checklist. >> >> On May 19, 2:01 pm, Gurcharan Singh <singh...@gmail.com> wrote: >> > Pravir ji >> > arvense not arvensis >> > >> > -- >> > 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: >> > 9810359089http://people.du.ac.in/~singhg45/<http://people.du.ac.in/%7Esinghg45/> >> > >> > On Wed, May 19, 2010 at 2:18 PM, Pardeshi S. <satishparde...@gmail.com >> >wrote: >> > >> > >> > >> > > Look like some Equisetum species >> > >> > > Regards >> > > Satish pardeshi >> > >> > > On May 19, 1:18 pm, Gurcharan Singh <singh...@gmail.com> wrote: >> > > > Pravir ji >> > > > I think not Balanophora but rather fertile branches of a >> heteromorphic >> > > > species of Equisetum, a pteridophyte. >> > >> > > > -- >> > > > 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/ <http://people.du.ac.in/%7Esinghg45/> >> > >> > > > On Wed, May 19, 2010 at 1:15 PM, Pravir Deshmukh <prav...@gmail.com >> > >> > > wrote: >> > > > > Help for ID of Balanophora sp. >> > >> > > > > Recorded from Lahaul valley from Himachal >> > >> > > > > Date: 2 nd May 2010 >> > > > > -- >> > > > > Pravir Deshmukh >> > > > > 09717611977 >> > >> > > > > -- >> > > > > You received this message because you are subscribed to the Google >> > > Groups >> > > > > "efloraofindia" group. >> > > > > To post to 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For more options, visit this group athttp:// >> groups.google.com/group/indiantreepix?hl=en. >> >> -- >> You received this message because you are subscribed to the Google Groups >> "efloraofindia" group. >> To post to this group, send email to indiantree...@googlegroups.com. >> To unsubscribe from this group, send email to >> indiantreepix+unsubscr...@googlegroups.com<indiantreepix%2bunsubscr...@googlegroups.com> >> . >> For more options, visit this group at >> http://groups.google.com/group/indiantreepix?hl=en. >> >> > > > -- > 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/ <http://people.du.ac.in/%7Esinghg45/> > > -- > You received this message because you are subscribed to the Google Groups > "efloraofindia" group. > To post to this group, send email to indiantree...@googlegroups.com. > To 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