Thanks a lot Sir for detailed research on Solanum
On Fri, Oct 28, 2011 at 8:54 PM, Gurcharan Singh <[email protected]> wrote: > Dear friends > Solanum viarum and Solanum capsicoides (and S. aculeatissimum) are closely > related but distinct species that have an interesting history in Indian > context. Clarke in Flora of British India described *Solanum khasianum*Clarke > characterized by hisute stems, straight spreading prickles, deeply > lobed hirsute leaves covered with up to 2 cm long straight prickles on both > surfaces, flowers in lateral clusters of 1-4 flowers, nearly 2 cm across > flowers (white to pink), hirsute unarmed calyx and 2 cm across yellow > berries, with fruiting calyx about 8 mm long. Distributed in Khasia hills > Assam and Manipur. This species is now known to be the synonym of *Solanum > aculeatissimum* Jacq. > > Flora of Britsh India also described Solanum aculeatissimum Jacq. > characterised by very slender straight prickles, lobed leaves which are > sparsely hairy, 1-7 flowered clusters, each producing usually one fruit, > berry 3 cm; calyx in fruit prickly but barely 6 mm long and seeds winged. > It also has berry which is pale green with dark markings when young orange > red when mature. This plant of Clarke as understood now is *Solanum > capsicoides All.* and not S. aculeatissimum Jacq., > > In 1961 Sen Gupta established a distinct variety from Nilghiri mountains in > Tamil Nadu, differentiated by softly pubescent plants, densely glandular > pubescence, distinctly recurved prickles on stem, shallowly lobed leaves, > prickly calyx with shorter ovate or deltoid lobes and pubescent ovary. This > variety is now being considered as synonym of *Solanum viarum* Dunal. > > Although The Plant list treats Solanum aculeatissimum Jacq. as synonym of > S. capsicoides ll., both GRIN (updated November, 2010) and Flora of China > treat them distinct. > > In any case we should be looking for three types of plants > > *Solanum viarum:* Yellow berries, densely hairy and glandular pubescent > stems and leaves, short broad based curved (barely 5 mm long) prickles in > addition to long straight ones on stem and straight strong up to 18 mm long > on petiole and both leaf surfaces, densely glandular and sparsely prickly > calyx, and shallowly lobed leaves. > > *Solanum capsicoides*: Berries orange red when mature, green with dark > green markings when young; stems with slender delicate priclkles; leaves > some what shining, sparsely hairy, deeply lobed, shorter prickly calyx. > > *Solanum aculeatissimum*: Yellow berries, straight prickles, more hairy > deeply lobed leaves , hirsute unarmed calyx with longer fruiting calyx. > > Solanum viarum has been uploaded by Vijayasankar ji from Manipur and by me > by from Morni hills area > > > https://groups.google.com/forum/#!searchin/indiantreepix/%5Befloraofindia:66365%5D$20Solanaceae$20Week:$20Solanum$20viarum$20from$20Manipur/indiantreepix/fk0QJn-Fn5Y/buFsr47DttIJ > > > https://groups.google.com/forum/#!searchin/indiantreepix/Solanaceae$20Week:$20Solanum$20viarum$20from$20Morni$20Hill$20tract$20%09/indiantreepix/J8ynRaSeHbw/OJbxBO9eaaMJ > > Solanum capsicoides was uploaded by Yazdy ji from Wayanad > > > https://groups.google.com/forum/#!searchin/indiantreepix/Solanum$20capsicoides/indiantreepix/cErahhf30yw/mGevhxSYubYJ > > Perhaps some member can upload the third species. It should be common in > Assam and Manipur > > > > -- > 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/ > > -- Regards Dr Balkar Singh Head, Deptt. of Botany and Biotechnology Arya P G College, Panipat Haryana-132103 09416262964
