Perhaps more than flower colour which can vary the more important difference is
M. philippica: all flowers in the inflorescence with enlarged calyx lobes M. erythrophylla: only few flowers in inflorescence with enlarged calyx lobes -- 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/ On Sun, Feb 12, 2012 at 9:36 AM, Gurcharan Singh <[email protected]> wrote: > Musseanda philippica aurorae 'Queen Sirikit' from Khalsa College, Delhi. > > Shrubs often growing 5 m or more tall, with elliptic-ovate leaves up to 15 > cm long, slightly hairy beneath; flowers sulphur yellow with 15-22 mm long > tube, with rounded ovate enlarged sepal up to 7 cm long, nearly as broad. > This particular cultivar has enlarged sepals and bracts are pink > coloured in this cultivar. > > Photographed from Khalsa College, Delhi > > There is confusion on whether this particular cultivar belongs to M. > philippica or M. erythrophylla, and sometimes simply listed as Mussaenda > 'Queen Sirikit'. However, the two species are quite distinct in corolla, it > being yellow in M. philippica and white to creamy white with red centre in > M. erythrophylla. The following key should help in separating cultivated > members of Rubuaceae. > > > http://homepage.univie.ac.at/christian.puff/FTH-RUB/FTH-RUB_CULTIVATED_compl_WEB.htm > > > -- > 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/ > >
