Thanks a lot, Rawat ji On 1 March 2017 at 14:56, D.S Rawat <drdsrawat.alpin...@gmail.com> wrote:
> Flora of Bhutan have taken a broad circumscription of *A. littledalei* > giving no consideration to merosity of flowers (sepals-5 in *A.pharensis* > while sepals 4 in *A.littledalei*) considering it as a variation; thus > merging these species into *A. littledalei*. It is very similar to the > case of *Cotoneaster* genus where Fryer consider up to 400 species > worldwide while broader circumscription gives 50-70 species in world. (Pl. > See note in Flora of Nepal at- http://www.floraofnepal.org/ > page/onlineflora?wildcard=1051). All these species mentioned by you ( > *A.pharensis* (=*Goringia pharensis*), *A.littledalei*, and few others > from China like *A.reducta*, *A. saginoides* etc are closely related to > each other and belong to subgenus *Odontostemma* section ‘*Reductae*’ > (mentioned in some Chinese works). These species are included and > differentiated in Flora of China > <http://www.efloras.org/florataxon.aspx?flora_id=2&taxon_id=102519#KEY-1-82> > . > > *Arenaria thangoensis* is now known as *Odontostemma thangoensis* (pl. > See http://www.ipni.org/ipni/idPlantNameSearch.do?id= > 77155319-1&output_format=lsid-metadata&show_history=true) after a recent > splitting of *Arenaria* genus following the molecular studies. > > > > *A.thangoensis* is close to *A. pharensis* (a 5-sepal species) but differ > from it by one line of hairs on stem (2 in *A.pharensis*), leaves > biconvex, succulent, obovate to oblanceolate (linear to linear lanceolate > in *A.pharensis*), 2-5 stamens (2-3 in *A.pharensis*). However, these > characters are not very convincing and a revision of this Sino-Himalayan > group of *Arenaria* is needed. It is worth mentioning here that no > species of this group (baring *A.thangoensis *recorded by us) are known > from Indian western Himalaya. > > Finally, the type specimens (Holo and iso) collected by Smith and Cave in > 1909 are in Central National Herbarium, Howrah (CAL) and DD and were > examined by me personally to compare our specimen. > > Arenaria s.l. has been splitted to may genera recently. We now have > Arenaria s.str., Odontostemma, Shivparvatia (=Solitaria) and Eremogone. > > > DSRawat Pantnagar > > On Sunday, June 5, 2016 at 9:59:15 PM UTC+5:30, D.S Rawat wrote: > >> World environment day is appropriate time to inform our eFI family that >> in last year’s botanical exploration we managed to rediscover a threatened >> endemic species from a remote Himalayan locale after nearly 106 years. >> >> *Arenaria thangoensis* W.W.Sm. (Caryophyllaceae) is a tiny plant and >> this species was described in 1911 from Tangu (Thangu) area of Sikkim in >> the Eastern Himalaya. This species was never recollected after type >> collection either from type locality or anywhere in the Himalaya or Tibet >> and, therefore, known by the type collection only (Srivastava et al. 2015 >> <http://threatenedtaxa.org/index.php/JoTT/article/view/2114/3261>). >> During a floristic exploration in the Kuari Pass alpine zone (3600-3700m >> above sea level, Chamoli district, Uttarakhand), which happens to be the >> type locality of ‘Endangered and endemic’ *Arenaria curvifolia* >> Majumdar, my student Satish collected *Arenaria thangoensis.* This >> collection is a rediscovery of this threatened species after 106 years and >> demonstrates that it is an extant (living) species and thriving well in the >> area. Rediscovery from nearly 950 km (aerial distance) away from its >> originally known population makes it more interesting. >> >> Image of the species attached here is a first ever photo of live >> specimens of this species in the world. >> >> Rediscovering a species is a joy for me and sharing it with ardent nature >> lovers of eFI fraternity increases it manifolds. >> This rediscovery is yet not published, though in communication with a >> journal. >> >> Dr D.S.Rawat >> Department of Biological Sciences, G.B. Pant University of Agriculture & >> Technology Pantnagar-263 145 Uttarakhand, INDIA >> *eflorapantnagar* <https://sites.google.com/site/eflorapantnagar/home> >> displaying wild flora of Pantnagar >> > -- > You received this message because you are subscribed to the Google Groups > "efloraofindia" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to indiantreepix+unsubscr...@googlegroups.com. > To post to this group, send email to indiantreepix@googlegroups.com. > Visit this group at https://groups.google.com/group/indiantreepix. > For more options, visit https://groups.google.com/d/optout. > -- With regards, J.M.Garg 'Creating awareness of Indian Flora & Fauna' <http://en.wikipedia.org/wiki/User:Jmgarg1> Winner of Wipro-NFS Sparrow Awards 2014 for efloraofindia <https://sites.google.com/site/efloraofindia/award-for-efloraofindia>. 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