Thank you very much Sir, for clear the confusions. On Sunday, September 20, 2015 at 12:23:28 PM UTC+5:30, Gurcharan Singh wrote: > > Confusion between Calyptocarpus vialis and Synedrella nodiflora solved > (for me atleast). > I was lucky to find both on same day in Bangalore and appreciate crucial > differences between two. > > Perhaps no two plants are as confused by most of us as these two. Many > differentiate the two by prominent three veins from base, but they occur in > both although thinner in Calyptocarpus. Heads of two look similar, > involucre bracts of Calyptocarpus are 4 in two whorls, In Synedrella they > range from 2-5 and may be in one or two whorls. Achenes are with two > diverging awns in Calyptocarpus, in Synedrella most florets (disc) have > similar 2-awned achenes although few (fertile ray) have achenes with scales > (which you are likely to miss. > Here are features which will never fail you > 1. Calyptocarpus has low growing, procumbent to ascendin, mat forming > habit often rooting at nodes, rarely rising more than 15 cm, Synedrella > tall erect habit up to 80 cm tall . > 2. Leaves the most crucial are not longer than 3 cm, pale green, thinner, > faint 3 basal vein and broadly ovate. In contrast leaves of Synedrella are > longer than 3 cm, dark green in colour, more prominent basal veins and > ovate to elliptic in shape. > 3. All heads in Synedrella are in sessile clusters, but in Calytocarpus > there are always a few on long peduncles bearing solitary head, in addition > to several sessile in cluster. > Here are some photographs for illustration. > > > 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 an email to [email protected]. Visit this group at http://groups.google.com/group/indiantreepix. For more options, visit https://groups.google.com/d/optout.
