Earlier it was kept at Rheum australe <https://efloraofindia.com/2011/03/26/rheum-australe-1/> as per your earlier post: Polygonaceae Fortnight: Rheum sp from Uttarakhand for Identification -GSMAY65 <https://groups.google.com/forum/#!topic/indiantreepix/7Uy_0jx4TZQ> I am also confused as the keys do not give a clear idea. Flora of Pakistan <http://www.efloras.org/florataxon.aspx?flora_id=5&taxon_id=128294> gives the following keys: 4 (3) <http://www.efloras.org/florataxon.aspx?flora_id=5&taxon_id=128294#KEY-1-3> Flowers white-pink or pale yellowish. Basal leaf blade up to 50 cm long but never exceeding; upper surface glabrous or papillose. (5) <http://www.efloras.org/florataxon.aspx?flora_id=5&taxon_id=128294#KEY-1-5> + Flowers dark purple. Basal leaf blade up to 60 cm long; upper surface somewhat scabrous above. 1 R. australe <http://www.efloras.org/florataxon.aspx?flora_id=5&taxon_id=242100141>
5 (4) <http://www.efloras.org/florataxon.aspx?flora_id=5&taxon_id=128294#KEY-1-4> Fruits 13-15 mm across. Flowers white to pink. 6 R. wittrockii <http://www.efloras.org/florataxon.aspx?flora_id=5&taxon_id=242100147> + Fruits 8-10 mm across. Flowers pale yellowish. 5 R. webbianum <http://www.efloras.org/florataxon.aspx?flora_id=5&taxon_id=242100146> Flora of China <http://www.efloras.org/florataxon.aspx?flora_id=2&taxon_id=128294> gives the following keys: 30 (29) <http://www.efloras.org/florataxon.aspx?flora_id=2&taxon_id=128294#KEY-1-29> Leaves with 5-7 basal veins; leaf blade narrowly triangular to broadly ovate, not cordate. (31) <http://www.efloras.org/florataxon.aspx?flora_id=2&taxon_id=128294#KEY-1-31> + Leaves with 5 basal veins; leaf blade cordate or broadly ovate. (32) <http://www.efloras.org/florataxon.aspx?flora_id=2&taxon_id=128294#KEY-1-32> 31 (30) <http://www.efloras.org/florataxon.aspx?flora_id=2&taxon_id=128294#KEY-1-30> Perianth white-green or yellow-white; rachis of panicle papilliferous. 1 *R*. *rhabarbarum* <http://www.efloras.org/florataxon.aspx?flora_id=2&taxon_id=242343402> + Perianth purple-red; rachis of panicle densely pubescent. 2 *R*. *australe* <http://www.efloras.org/florataxon.aspx?flora_id=2&taxon_id=242100141> 32 (30) <http://www.efloras.org/florataxon.aspx?flora_id=2&taxon_id=128294#KEY-1-30> Leaf blade reniform-cordate or cordate, usually shorter than wide; perianth yellow-white. 3 *R*. *webbianum* <http://www.efloras.org/florataxon.aspx?flora_id=2&taxon_id=242100146> + Leaf blade ovate-cordate or broadly ovate, usually longer than wide; perianth green. 4 *R*. *hotaoense* <http://www.efloras.org/florataxon.aspx?flora_id=2&taxon_id=242343381> Based on the above, it should be *Rheum webbianum*. On Sat, 8 Jan 2022 at 21:33, Gurcharan Singh <[email protected]> wrote: > Rheum webbianum photographed from Medical Plants Nursery, Pothibasa, > Uttarakhand, 31-5-2013. > > > > > Dr. Gurcharan Singh > Retired Associate Professor > SGTB Khalsa College, University of Delhi, Delhi-110007 > Res: 932 Anand Kunj, Vikas Puri, New Delhi-110018. > https://www.gurcharanfamily.com/ > > -- > 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 view this discussion on the web, visit > https://groups.google.com/d/msgid/indiantreepix/CAHiXKpX0D3iFWHzmx37JLsvPKX_JrOeZgvoL6jMPArYGd%3Dh%2BBA%40mail.gmail.com > <https://groups.google.com/d/msgid/indiantreepix/CAHiXKpX0D3iFWHzmx37JLsvPKX_JrOeZgvoL6jMPArYGd%3Dh%2BBA%40mail.gmail.com?utm_medium=email&utm_source=footer> > . > -- With regards, J.M.Garg -- 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 view this discussion on the web, visit https://groups.google.com/d/msgid/indiantreepix/CA%2BiuSFARdRjKCddX2Ww-cu_RWRHUEUL0b4vzipKNzJSuQJeG0Q%40mail.gmail.com.

