Thanks, Singh ji, for bringing out this matter.
On 13 March 2014 22:27, Gurcharan Singh <[email protected]> wrote: > Dear friends > Most of us know through Floras and common books Callistemon lanceolatus > DC. as the commonest species of Callistemon cultivated in many parts of > India. As it turned out for last 5 to six decades this was considered as > synonym of C. citrinus (Curtis) Stapf. > As has been clearly specified in Trees of Delhi (Pradip Krishen) none > of the specimens grown in Delhi belong to C. citrinus. They actually belong > to C. viminalis (Soland. ex Gaertn.) Cheel., the two similarly looking > species are distinguished as under: > > C. viminalis: Tree with drooping slender branches; leaves > linear-lanceolate, up to 10 cm long and 4-7 mm broad; flowers scarlet--red > in up to 7 cm long dense spikes; filaments united at base; fruits not > persisting on old wood. > > C. citrinus: Shrub or tree with short arching branches; leaves broadly > lanceolate, rigid, up to 7 cm long, 6-12 mm broad; flowers scarlet red in > up to 10 cm long spike; filaments free at base; fruits persisting on 2--3 > year old branches. > > C. viminalis is aptly represented in our website through uploads of Balkar > ji > <https://groups.google.com/forum/?hl=en#!topic/indiantreepix/E3f-aKsZQcQ>, > Rathinasabapathy > ji<https://groups.google.com/forum/?fromgroups#!topicsearchin/indiantreepix/group$3Aindiantreepix$20AND$20Callistemon$20AND$20viminalis/indiantreepix/hGNp4mvUWQ4> > and > several posts of Bimal > ji<https://groups.google.com/forum/?hl=en&fromgroups#!topicsearchin/indiantreepix/Callistemon$20AND$20viminalis/indiantreepix/nLEPdbeqHr4> > I > am uploading mine from Delhi here. > > *Now there is a big catch. It has now been established (both on The Plant > List and GRIN) that C. lanceolatus (Sm.) Sweet and C. citrinus (Curtis) > skeels are two distinct species and not synonymous (although C. lanceolatus > DC. a synonym of latter). It would as such be interesting to know the > differences between the two to be able to place our specimens properly. > Perhaps some member can help.* > > I also have feeling that C. rigidus of Flowers of > India<http://www.flowersofindia.net/catalog/slides/Stiff%20Bottle%20Brush.html>and > one uploaded by Aarti > ji <https://groups.google.com/forum/#!topic/indiantreepix/9aR5jAsaLEU>from > Lalbagh may actually be one of these two species, as C. rigidus has > much narrower almost linear lobes and capsules with almost close mouth > where as in both above uploads leaves are broader almost broadly lanceolate > with capsules with clearly open mouths. > > Perhaps once differences between C. lanceolatus and C. citrinus as > understood now, are know, we can place our specimens correctly. > > > > > > 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://www.gurcharanfamily.com/ > http://people.du.ac.in/~singhg45/ > > -- > You received this message because you are subscribed to the Google Groups > "efloraofindia" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To post to this group, send email to [email protected]. > Visit this group at http://groups.google.com/group/indiantreepix. > For more options, visit https://groups.google.com/d/optout. > -- With regards, J.M.Garg 'Creating awareness of Indian Flora & Fauna'<http://en.wikipedia.org/wiki/User:Jmgarg1> The whole world uses my Image Resource<http://commons.wikimedia.org/wiki/Category:J.M.Garg> of more than a thousand species & eight thousand images of Birds, Butterflies, Plants etc. (arranged alphabetically & place-wise). You can also use them for free as per Creative Commons license attached with each image. For identification, learning, discussion & documentation of Indian Flora, please visit/ join our Efloraofindia Google e-group<https://groups.google.com/forum/#!forum/indiantreepix> (largest in the world- around 2265 members & 1,82,700 messages on 28/2/14) or Efloraofindia website <https://sites.google.com/site/efloraofindia/> (with a species database of more than 9000 species & 1,80,000 images). Also author of 'A Photoguide to the Birds of Kolkata & Common Birds of India'. -- You received this message because you are subscribed to the Google Groups "efloraofindia" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at http://groups.google.com/group/indiantreepix. For more options, visit https://groups.google.com/d/optout.
