Thank you very much Mr Swamy.
On 08-Feb-2018 10:51 AM, "J.M. Garg" <jmga...@gmail.com> wrote: On 08-Feb-2018 9:25 AM, "Mahadeswara" <swamy.c...@gmail.com> wrote: > Beautiful photographs depicting all plant parts and excellent observation > > > On Tuesday, February 6, 2018 at 8:07:52 PM UTC+5:30, ashwini wrote: >> >> This is another difficult genera I am trying to understand. The plants I >> studied have spiny leaves, red-tipped glandular hair on stems and >> phyllaries, 2-2.5cm flower-heads and wrinkled, ridged 4mm-long achenes. >> While the spikes on leaves point to *S. asper*, the downward-pointing >> auricles point to *S. oleraceous*. >> >> *I counted the involucral bracts on two heads and found them to be 34 and >> 21*, both less than 35. *S. asper* is supposed to have 35 to 45 >> involucral bracts while *S. oleraceous* only up to 35. Another point in >> favour of *oleraceous*. >> >> *The ripe achene on oleraceous is supposed to be 4mm long with >> longitudinal ridges with protuberances which matches our plants*. The >> hair on its head are white and unbranched about twice as long as the >> achene. My close-ups show the hair themselves are not smooth but I could >> not find any reference to that. >> >> Based on the two above characters and the flower size, I am inclined to >> believe that our plants are *S. oleraceous* and not *S. asper* but I >> haven't seen the achenes of *S. asper* to compare. The achenes of *S. >> wightianus* on our site >> <https://08511630493324166816.googlegroups.com/attach/18c31fe2bf5bb42e/8804.jpg?part=0.3&view=1&vt=ANaJVrEMPbs-8w-0jJn1Nfrla9_eT9uKH-Jbe2UccRRYl7XzZPXC_akLSMXNA1jiV-B75GDMs5EtUZs3KXTCjEqYlqJdLh6oXq4YcINC9uPXSnN3YluNMTQ> >> look very similar to the ones I photographed, so I am confused. >> >> Please advise. >> >> *Sonchus oleraceous*? >> Above Mcleodganj, Dharamshala, HP >> 1800m approx. >> 3-5 February, 2018 >> >> Habit: 95cm tall, well-branched >> Flowers: Several, 2-2.5cm across, on pedicels 1.5-8cm long, involucral >> bracts less than 35 (based on two measurements which were 21 and 34) >> Fruit: Achenes 4mm long, translucent when unripe, brown when ready, >> ridged and rugose, tipped with white unbranched hair twice long. >> Leaves: Lobed, spiked, amplexicaul with two auricles pointing downwards, >> not rounded. >> >> >> Thanks. >> Ashwini >> >> -- > 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 indiantreepix+unsubscr...@googlegroups.com. > To post to this group, send email to firstname.lastname@example.org. > Visit this group at https://groups.google.com/group/indiantreepix. > For more options, visit https://groups.google.com/d/optout. > -- 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 indiantreepix+unsubscr...@googlegroups.com. To post to this group, send an email to email@example.com. Visit this group at https://groups.google.com/group/indiantreepix. For more options, visit https://groups.google.com/d/optout.