Very beautiful close up Regards Bhagyashri On Sun, Oct 2, 2011 at 6:46 PM, Gurcharan Singh <singh...@gmail.com> wrote:
> Senna polyphylla (Jacq.) H.S.Irwin & Barneby, Mem. New York Bot. Gard. 35: > 517, 1982 > Syn: *Cassia polyphylla* Jacq.; *Cassia marginata* Willd. > > Thanks Balkar ji for short key, which helped me to sort my photographs. > > I had raised this query in my earlier mail > > Some websites consider Senna polyphylla and Senna pallida as synonyms > > http://toptropicals.com/cgi-bin/garden_catalog/cat.cgi?uid=Senna_Poly...<http://www.google.com/url?sa=D&q=http://toptropicals.com/cgi-bin/garden_catalog/cat.cgi%3Fuid%3DSenna_Polyphylla&usg=AFQjCNHkeeLEy0K_GRBNKYyCAezYq4M-GQ> > > > <http://toptropicals.com/cgi-bin/garden_catalog/cat.cgi?uid=Senna_Poly...<http://www.google.com/url?sa=D&q=http://toptropicals.com/cgi-bin/garden_catalog/cat.cgi%3Fuid%3DSenna_Polyphylla&usg=AFQjCNHkeeLEy0K_GRBNKYyCAezYq4M-GQ> > >The > more reputed websites, however, treat them as distinct species > > Senna pallida (Vahl) H.S.Irwin & Barneby > syn: *Cassia biflora L*.; *Cassia biflora* Griseb.; *Cassia > pallida*Vahl. > > Senna polyphylla (Jacq.) H.S.Irwin & Barneby > syn: *Cassia polyphylla* Jacq.; *Cassia microphylla* Sesse & Moc. > > Obviously the two species are very closely related. Could any member > explore > and find real differences between the two species so that identity of our > plant can be fixed. > > Balkar ji provided the answer today, a short key but very helpful > *Senna Biflora*: Deciduous to semi-deciduous shrub, up to 6 to 8 feet tall > (1.8-2.4 m), > 3 to 5 feet in spread (0.9-1.5 m); pinnate leaves, 2 to 3 inches long > (5-7.5 cm), > 4 to 6 pairs of light green leaflets > > *Senna polyphylla*: Small evergreen tree or shrub, 7 to 12 feet tall > (2-3.6 m); strong > taproot; 3 to 15 pairs of leaflets, 0.16 to 0.4 inch long (4-10 mm) > > My plant photographed from Delhi University campus photographed in > September, it is a tree with 9-11 pairs of leaflets, well fitting into > latter species > > > -- > 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/ > >
