Thanks Dr. Chadwell for critical analysis. I will have fresh scrutiny of live specimens when I visit Kashmir in next summer and keep crucial differences in mind.
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/ On Fri, Oct 21, 2016 at 11:09 AM, [email protected] < [email protected]> wrote: > This has incorrectly been identified as *Myosotis laxa* subsp. caespitosa > *.* Dr Singh was correct to draw attention to the spreading hairs on > calyx which rules out this species (or *M.palustris*) if you accept this > species in India. *And that the choice appeared to be between M.sylvatica > and M.arvensis.* > > The next part of the key to the genus is a problem because it refers to > the length of the pedicels compared to the fruiting calyx - the final image > shows an immature fruit. > > After that other features of the fruits such as nutlet characteristics are > important and width of corolla limb - the latter is difficult to estimate > from the photo then because it is a cultivated plant of no known > provenance, one cannot use that information to help..... > > Nevertheless, *M.stricta* and *M.refracta* (which is not an accepted name > in 'The Plant List') can be eliminated. > > *So how does no tell M.sylvatica and M.arvensis apart? We have both > species in the UK. The key in 'The New Flora of the British Isles'. In > M.sylvatica the corolla is less than or equal to 8mm across, with a +/- > flat limb; calyx teeth erecto-patent exposing ripe nutlets whereas > M.arvensis has a corolla less than or equal to 5mm across, with > saucer-shaped limb, calyx teeth erect +/- appressed and concealing ripe > nutlets). But do these descriptions apply to specimens in India?* > > > *Of the two I am favouring M.arvensis see: > http://www.naturespot.org.uk/species/field-forget-me-not > <http://www.naturespot.org.uk/species/field-forget-me-not>* > *rather than M.sylvatica see: > http://www.naturespot.org.uk/species/wood-forget-me-not > <http://www.naturespot.org.uk/species/wood-forget-me-not>* > > *Professor Stace considers maximum corolla-size is of diagnostic value in > Myosotis but larger flowered spp. often produce flowers with unusually > small corollas.* > > *What do you think - either way, definitely not M.laxa subsp. > caespitosa.... * > > > On Saturday, June 9, 2012 at 3:08:10 PM UTC+1, Gurcharan Singh wrote: > >> This is another Myosotis which is grown in Herbal Garden in Kashmir, I am >> inclined to include under Myotosis syklvatica (or M. arvensis) because of >> spreading hairs on calyx, calyx loles spreading in flowers, erect in fruit >> and acute nutlets, but appressed hairs on stem and inflorescence axis are >> puxzzling, Please help in resolving. >> >> >> >> -- >> 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 email to [email protected]. > 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 [email protected]. To post to this group, send an email to [email protected]. Visit this group at https://groups.google.com/group/indiantreepix. For more options, visit https://groups.google.com/d/optout.
