Yes Satish ji We are now reaping the crop of seeds sown by you people then.
-- 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://people.du.ac.in/~singhg45/ On Tue, Nov 2, 2010 at 7:07 AM, Satish Phadke <[email protected]>wrote: > The message posted by me on Indiantreepix on 31 Jan 2008 in Family of the > week. > (For those who were not members at that time) > Dr Phadke > > ---------- Forwarded message ---------- > From: Dr.Satish Phadke <[email protected]> > Date: 31 January 2008 21:33 > Subject: [SATISFIED] Apocynaceae > To: [email protected] > > > Apocynaceae : Oleander family or dogbane family. > Around 60 species in India. > Vegetative characters: > Herbs : e.g.Lochnera > Shrubs :e.g. Nerium > Trees : Alstonia > Climbers : Vallaris > or even > Lianas :Landolphia > Sometimes stems are armed with sharp spines as in Carissa. > Latex is present in unsegmented tubes and the vascular bundles are > bicollateral. > Leaves are usually opposite decussate ;sometimes whorled or scattered ( > Plumeria).They are simple entire without stipules. > Flowers arranged in axillary or terminal cymose or panicled inflorescences > ;rarely solitary. > They are bracteate, bisexual,perfect,actinomorphic,pentamerous and > hypogynous. > Calyx is gamosepalous- 5 lobed.Corolla isgamopetalous 5 lobed salver shaped > but sometimes campanulate/bell or funnel shaped. Stamens are distinct and > as many as corolla lobes and alternate with them and adnate to the corolla > tube.Filaments are short.Anthers introrse and adherent to the stigma. > Gynoecium-usually bicarpellary with superior ovary ar rarely partly > inferior ovary(Plumeria).When distinct each ovary is unilocular with > ventral placenta.Stigma is massive variable in shape and often bilobed. > A hypogynous nectariferous disc is present which is annular,cup > shaped,lobed or of distinct glands.Fruit is of two follicles dehiscing by > ventral suture,sometimes berry or capsule. > Seeds are flat often winged or with a tuft of hairs at one end. > Pollination and seed dispersal:Flower is adapted for insect pollination > Apocynum :for insect pollination. > Nerium :adapted for long tongued lepidoptera. > Vinca : When insect enters its proboscis into the corolla tube it is > smeared with adhesive matter and when withdrawn,it is cemented with pollens. > Winged seeds and hairs favour distribution by wind. > Economic importance and uses: > Members of the family provide a large number of ornamentals and some useful > drugs. > Vinca rosea(Catharanthus roseus:Periwinkle,Sadafuli)An everblooming > perennial herb with rosy purple flowers.Some anticancer drugs are extracted > from it. > Thevetia peruviana:Yellow oleander,Peeli Kaner.Leafy evergreen shrub with > yellow to orange flowers widely planted in gardens.Uses in rheumatism and > dropsy. > Nerium indicum(Kanher)Ornamental shrub with white to pink red flowers > again widely planted in gardens. > Plumeria(Frangipani,white champa,Chapha):A common garden plant with > Fragrant flowers in different colours. > Tabernaemontana divaricata(Crape jasmine,Chandani:Syn.Ervatamia > coromaria)white > waxy flowers:common garden plant. > Carissa congesta :(Syn.C.carandas,Karaunda,Karawand.)Sweet edible fruits, > widely found shrub of Sahyadris. > Rauvolfia serpentina(Sarpagandha)Found in tropical Himalayas also widely > cultivated.Digitalis a common medicine for heart is procured from it. > Holarrhena antidysenterca:(Kutaj or Kuda)As the name suggests:Extract from > root and bark is used in dysentery. > Wrightia tinctoria: Leaves are the source of a blue dye Indigo. Alstonia > scholaris:An evergreen tree with dense crown,often planted in gardens and > as avenue tree.Wood is used in packing and the bark has medicinal value. > > > -- > Posted By Dr.Satish Phadke to > SATISFIED<http://satishphadke.blogspot.com/2008/01/apocynaceae.html>at > 1/31/2008 06:43:00 AM > >
