Its nice to see that the database of ITP is becoming more and more technically strong and authentic, thanks to dedicated people like Gurcharan ji, Satish ji and many others. Its already started serving as e-flora of India. Slowly we can start even revising genera and families of indian plants.
On Sat, Nov 28, 2009 at 4:12 PM, Gurcharan Singh <[email protected]> wrote: > Trying to keep it as simple as possible (but also fearing technical > differences may get blurred) for easy identification: > > 1. Inflorescence a head on raised stalk > > 2. Plants with thick reddish leaves, atleast ¾ as broad as > long; cultivated as > > hedge/border plant ..……………………………..1. *A. brasileana (i > *ncl.* A. dentata)* > > 2. Leaves not reddish, less than ½ as broad as long; wild > plant of moist or aquatic > > habitats. ………………………………………….2. *A.philoxeroides.* > > 1. Inflorescence a sessile head in leaf axils > > 3. Plants prostrate, mat-forming > > 4. Leaves atleast ¾ as broad as long, stems and leaves rigid; > flowers (tepals) > > spine-tipped…………………………………3. *A. pungens* > > 4. Leaves usually less than ½ as broad as long, stems and leaves > soft; flowers > > (tepals) not spin-tipped……………………..4. *A. paronychoides* > > 3. Plants erect or spreading not mat-forming > > 5. Leaves sessile, linear or narrowly oblanceolate; plant of moist > or > > wet situations………………………………. 5. A. sessilis > > 5. Leaves with distinct petiole; mostly cultivated > > 6. Leaves green or tinged with purple; mostly > oblanceolate, > > gradually narrowed into petiole, less than ½ as broad > > as long…………………………….6. *A. bettzickiana* (incl.* A. > amoena* > > > and *A. versicolor*) > > 6. Leaves green, not tinged with purple; mostly > elliptic-ovate, more > > than ½ as broad as long, more sharply narrowed into > short > > petiole…………………..……………... 7. *A. ficoidea* > > No decision/information yet on A. pulchella, although it is listed on the > net profusely. > > > -- > > Dr. Gurcharan Singh > 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 Sat, Nov 28, 2009 at 2:58 PM, Satish Phadke <[email protected]>wrote: > >> From whatever descriptions emerged I have prepared a simple practical key >> for guiding to the ID of Alternanthera species. Final Id confirmation has to >> be made by looking at all the characters. >> *The thread is open for suggestions and corrections if >> any......................* >> 1)Colour of leaves red brown; cultivated garden plant........* >> A.brasiliana* >> 2)Sessile linear leaves................................................... >> *A.sessilis* >> 3)Plant carpet like; leaves orbicular or ovate3*3cm...........*A.pungens* >> 4)...................similar....not much info............................ >> *A.pulchella* >> 5) Erect tufted herbs; small >> petiole................................*A.ficoidea >> or* >> Erect branched herb ................................................* >> A.bettzichiana* >> .................may be syn..As per BSI Mah.......................* >> A.tenella* var.versicolour >> 6)Aquatic herb; flowers in globose heads........................* >> A.philoxeroides.* >> This is an humble attempt some corrections might erupt.. >> Dr Satish Phadke >> >> 2009/11/28 J.M. Garg <[email protected]> >> >> Dear members, >>> Singh ji has posted six species of Alternanthera recently. >>> He has also stated in one of the threads that "... the Alternanthera >>> species on our databases need to be sorted out...". >>> In view may I request the members to pl. have a re-look at their >>> Alternanthera species in Indiantreepix Database or otherwise & post them for >>> sorting out in case they have any doubts. >>> -- >>> With regards, >>> J.M.Garg ([email protected]) >>> http://en.wikipedia.org/wiki/User:Jmgarg1 >>> 'Creating awareness of Indian Flora & Fauna' >>> Image Resource of more than a thousand species of Birds, Butterflies, >>> Plants etc. (arranged alphabetically & place-wise): >>> http://commons.wikimedia.org/wiki/Category:J.M.Garg >>> For learning about Indian Flora, visit/ join Google e-group- >>> Indiantreepix:http://groups.google.co.in/group/indiantreepix?hl=en >>> >>> -- >>> You received this message because you are subscribed to the Google Groups >>> "indiantreepix" group. >>> To post to this group, send email to [email protected]. >>> To unsubscribe from this group, send email to >>> [email protected]<indiantreepix%[email protected]> >>> . >>> For more options, visit this group at >>> http://groups.google.com/group/indiantreepix?hl=en. >>> >> >> -- >> You received this message because you are subscribed to the Google Groups >> "indiantreepix" group. >> To post to this group, send email to [email protected]. >> To unsubscribe from this group, send email to >> [email protected]<indiantreepix%[email protected]> >> . >> For more options, visit this group at >> http://groups.google.com/group/indiantreepix?hl=en. >> > > > > -- > You received this message because you are subscribed to the Google Groups > "indiantreepix" group. > To post to this group, send email to [email protected]. > To unsubscribe from this group, send email to > [email protected]<indiantreepix%[email protected]> > . > For more options, visit this group at > http://groups.google.com/group/indiantreepix?hl=en. > -- With regards R. Vijayasankar FRLHT, Bangalore -- You received this message because you are subscribed to the Google Groups "indiantreepix" 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.
