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, <formpeja...@yahoo.com> 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 <drsmpha...@gmail.com> > *Sender: * indiantreepix@googlegroups.com > *Date: *Fri, 7 Oct 2011 10:02:32 +0530 > *To: *indiantreepix<indiantreepix@googlegroups.com> > *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
