Even I have same doubts as Muthu ji ...........rightly pointed. 2009/11/30 Muthu Karthick <[email protected]>
> This key is highly useful sir, > I have a doubt about *Alternanthera* *bettzickiana was it a variety of A. > tenella. Also, would be more useful if A.tenella is included in key.* > **Thank you. > > 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/ <http://people.du.ac.in/%7Esinghg45/> >> >> >> 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. >> > > > > -- > Muthu Karthick, N > Junior Research Fellow > Care Earth > Chennai > www.careearthtrust.org > -- You received this message because you are subscribed to the Google Groups "indiantreepix" group. 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