Sir, Thank you for these identification keys to the both species of *Ziziphus*. I think i would be able to identify them correctly from now on.
Regards, Surajit Koley On Fri, Mar 23, 2012 at 8:01 AM, Gurcharan Singh <[email protected]> wrote: > Surajit ji > Z. jujuba Mill. is Chinese jujube or Chinese date, mainly a temperate > species, with leaves glabrous beneath, longer stipular spine up to 3 cm > long, petiole shorter than 5 mm and glabrous, fruit ovoid or oblong 2-3.5 > cm long > > Z. mauritiana is Indian jujube or Indian plum is mainly a species of > warmer climates, leaves tomentose beneath, longer stipular spine 5-7 mm > long, petiole 5-15 mm long and tomentose. It has two varieties the > cultivated var.* mauritiana* a tree with 6-9 cm long leaves and ovoid > 2.5-3.5 cm long fruit and var. *spontanea* (Edgew.) R.R. Stewart ex > Qaiser & Nazim, a wild shrub with 2-3 cm long leaves and globose 1-1.5 cm > long fruits. > > > -- > 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/ > > >

