II Interesting Information !! On Fri, Oct 7, 2011 at 11:06 AM, Dr Pankaj Kumar <[email protected]>wrote:
> Nice discussion going on here. I missed it somehow. > One more example of tautonym was Linaris linaris which was later > changed to Linaris linifolia. Such names are valid in zoology though. > Regards > Pankaj > > > > On Oct 7, 1:31 pm, Gurcharan Singh <[email protected]> wrote: > > Satish ji > > This is what I have been teaching my students for 35 years, since this > > provides examples of tautonym (Malus malus), how basionym becomes > > unapplicable and so on. Unfortunately (but correctly now) the name Malus > > pumila is now restricted to Paradise apple, a wild species, smaller tree > > with bright pink petals and fruit not larger than 1.5 cm. Our Table apple > or > > orchard apple is now known as Malus domestica. > > > > -- > > 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: 9810359089http://people.du.ac.in/~singhg45/ > > > > > > > > > > > > > > > > On Fri, Oct 7, 2011 at 10:43 AM, Satish Phadke <[email protected]> > wrote: > > > Yes Madhuri ji > > > Thanks for reading it thoroughly. > > > *Pyrus malus* is not an accepted name but is a synonym of *Malus > pumila*. > > > The correct genus of Apple is *Malus* > > > > > On Fri, Oct 7, 2011 at 10:35 AM, <[email protected]> wrote: > > > > >> ** I expected this at the start of week. Helps in understanding. > > >> Thanks for details. > > >> One doubt. Apple genus Malus or Pyrus or both or one new, one old? > > >> Madhuri > > > > >> Sent from BlackBerry® on Airtel > > >> ------------------------------ > > >> *From: * Satish Phadke <[email protected]> > > >> *Sender: * [email protected] > > >> *Date: *Fri, 7 Oct 2011 10:02:32 +0530 > > >> *To: *indiantreepix<[email protected]> > > >> *Subject: *[efloraofindia:86371] ROSACEAE WEEK > > > > >> *FAMILY OF THE WEEK: ROSACEAE* > > > > >> There are over 25 genera and around 215 species in India mainly > confined > > >> to temperate Himalayas ascending up to 6000 meters. > > > > >> *Vegetative characters:* > > > > >> The plants are herbs, shrubs or trees several species of Rose and > *Rubus*have prickles. Sometimes, as in > > >> *Prinsepia* and *Crataegus* the shrubs are armed with sharp spines > which > > >> are modified branches. Vegetative reproduction takes place in several > ways. > > > > >> The leaves are alternate and simple, pinnately or palmately compound. > The > > >> stipules are usually present. > > > > >> *Inflorescence and flowers:* > > > > >> The flowers are rarely solitary or fascicled, but commonly they are > > >> arranged in various types of definite or indefinite inflorescences. > The > > >> flowers are actinomorphic or sometimes strongly zygomorphic, bisexual > or > > >> unisexual,polygamous, pentamerous, hypogynous, peri or epigynous. The > calyx > > >> is of typically five basally connate sepals; the calyx tube is free or > > >> adnate to the ovary. The aestivation is imbricate or valvate. In some > genera > > >> an epicalyx is also present. The corolla is of generally five free > petals > > >> (there are numerous petals in cultivated species of Rosa) which are > usually > > >> imbricate in bud. The number of stamens is variable from one to many. > They > > >> are often in whorls. The filaments are distinct or sometimes > monoadelphous. > > >> The anthers are dithecous and introrse. A cushion shaped or ringlike > nectar > > >> secreting disc is present between the stamens and carpel. The > gynoecium > > >> shows much variation. There are ten different tribes of gynoecial > characters > > >> and type of fruits. > > > > >> *Seeds:* > > > > >> The seeds are usually without endosperm. > > > > >> *Pollination and dispersal:* > > > > >> In most Rosaceae the nectar is collected in the receptacular tube and > > >> easily licked by insects. The flowers are mostly protogynous and > favour > > >> cross pollination. > > > > >> The seeds are dispersed by animals and birds. > > > > >> *Examples:* > > > > >> *Rosa multiflora *(Rose) > > > > >> *Rosa damascene* > > > > >> *Rosa indica* > > > > >> *Rosa banksiae* > > > > >> *Rosa centifolia* > > > > >> *Pyrus mallus* (Apple) > > > > >> *Pyrus communis *(Pear) > > > > >> *Prunus persica *(Peach) > > > > >> *Prunus domestica * > > > > >> *Prunus institia *(Plum) > > > > >> *Prunus armeniaca *(Apricot) > > > > >> *Prunus amygdalous *(Almond) > > > > >> *Fragaria chiloensis* (Garden Strawberry) > > > > >> *Fragaria vesca* L. (Alpine strawberry) > > > > >> *Spiraea* > > > > >> *potentilla* > > > > >> *Brambles* > > > > >> *Cinquefoil* > > > > >>http://satishphadke.blogspot.com/2008/12/family-of-week-rosaceae.html > > >> -- > > >> Dr Satish Phadke > > > > > -- > > > Dr Satish Phadke > -- Regards Dr Balkar Singh Head, Deptt. of Botany and Biotechnology Arya P G College, Panipat Haryana-132103 09416262964
