That is really nice information, Balkar ji
-- 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 Sat, Oct 30, 2010 at 8:46 AM, Balkar Arya <[email protected]> wrote: > Dear Members > as per the decision of the Group we are celebrating November as a *Month > of Apocynaceae*. In this regard I have to coordinate the matter. We will > be posting identified or unidentified members of the family as per posting > guidelines in the *First Week of November*. As most of you are aware, > According to APG > <http://www.answers.com/topic/angiosperm-phylogeny-group>classification, > the *Asclepiadaceae* is now a former > plant<http://www.answers.com/topic/plant>family, presently treated as a > subfamily (subfamily > *Asclepiadoideae*) in the family > Apocynaceae<http://www.answers.com/topic/apocynaceae-1>Please see the link > given below for more info. > ** > > *http://www.springerlink.com/content/4722q2505724425g/* > > * * > > *For our purpose on the efloraindia, we will be dealing with the family > Apocynaceae as a whole. * > > *However I am giving details of both the families separately in two mails > with links and other info**. This will enable us to understand both these > groups of plants in a precise way. In our group (Efloraindia) all members > are not from the Botany background, so here only little info is being given > on the latest classification from the paper cited above. You can download > this paper fully from springer website* > > * > * > > *Abstract of the above paper* > > The Asclepiadaceae, as traditionally defined, have repeatedly been shown to > be an apomorphic derivative of the Apocynaceae. It has often been > recommended that the Asclepiadaceae be subsumed within the Apocynaceae in > order to make the latter monophyletic. To date, however, no comprehensive, > unified classification has been established. Here we provide a unified > classification for the Apocynaceae, which consists of 424 genera distributed > among five subfamilies: Rauvolfioideae, Apocynoideae, Periplocoideae, > Secamonoideae, and Asclepiadoideae. Keys to the subfamilies and tribes are > provided, with lists of genera that (as far as we have been able to > ascertain) are recognized in each tribe. > > For more details about APG Classification and Characters of Families pls > see the following link > > http://www.mobot.org/MOBOT/research/APweb/welcome.html > > > > > *Here is the info about Asclepiadaceae (as it is described traditionally). > Now subfamily of Apocynaceae-**Asclepiadoideae* > > * * > > ** > > * > * > > *Aclepiadaceae (The Milk Weed Family)* > > 1. These are erect or twining shrubs or perennial herbs, very rarely > trees. Sometime fleshy and with reduced non-functional or obsolescent > leaves. > 2. Leaves opposite or whorled, entire or very rarely lobed or > irregularly dentate, exstipulate. > 3. Inflorescence cymose, often umbelliform. Sometimes more or les > racemosely fascicles along a simple or branched rachis. > 4. Flowers generally pentamerous. > 5. Calyx 5 free, 5-partite and slightly fused at base. > 6. Corolla 5 fused, pentafid, short tube > 7. Androecium united in a ring and adnate to style apex. The short > filaments ornamented with a nectariferous CORONA of varied forms, the whole > forming a pentangular stigmatic disc (GYNOSTEGIUM). Pollen in tetrads > united > in waxy masses (POLLINIA) attached by caudicles of varied forms to sutured > corpuscles derived from style apex > 8. Gynoecium formed of 2 free carples united by their style apices and > enclosed by the staminal tube. Stigmas connate to form a pentangular disc > with which the anthers coherent to form the GYNOSTEGIUM. > 9. Fruit an etaerio of two often widely divergent follicles of which > sometime one is occasionally abortive > 10. Seeds many small usually having a tuft of long hairs which help in > dispersal. > > > > > > Some links on the pics and other information on the family (asclepiadaceae) > from net > > > http://www.botany.hawaii.edu/faculty/carr/asclepiad.htm > > > > http://foc.bio-mirror.cn/images/Gilbert/asclepiadaceae_types.html > > > > http://www.succulents.co.za/Asclepiadaceae/ > > > > http://www.desert-tropicals.com/Plants/Asclepiadaceae/ > > > > http://botany.csdl.tamu.edu/FLORA/imaxxasc.htm > > > > http://www.keiriosity.com/gallery/main.php/v/plants/Asclepiadaceae/ > > > > http://www.succulent-plant.com/families/asclepiadaceae.html > > > > http://www.flickr.com/photos/mordiscos/sets/72157594548060339/ > > > > > http://toptropicals.com/cgi-bin/garden_catalog/cat.cgi?family=Asclepiadaceae > > > > http://www.lithops.net/asclepia.htm > > > > http://www.stridvall.se/flowers/gallery/Asclepiadaceae > > > Regarding the posts already appered on Efloraindia some 30 different > threads/mails are there. I will be posting them tomarrow for the information > and reference of the members. Today, Vijaysankar Ji has posted som member of > the Apocynaceae. These threads have not been included as these are very much > recent. > Tomarrow i will also try to provide info about the rest part of Apocynaceae > (tradionally described or old Apocynaceae) > > Till then please prepare your pics to post on Efloraindia keeping in mind > posting guidelines. Particulary size of the images. > > > -- > Regards > > Dr Balkar Singh > Head, Deptt. of Botany and Biotechnology > Arya P G College, Panipat > Haryana-132103 > 09416262964 >
