Thank you Gurcharanji usha = On Mon, Dec 31, 2012 at 12:14 AM, Gurcharan Singh <[email protected]>wrote:
> Ushadi > Luckily you can distinguish them from vegetative plants and flowers also. > > 1. Plants glabrescent; calyx 5-angled; corolla less than 12 cm long; > leaves sinnuate-dentate, anthers less than 5 mm long > (capsule erect, 4-valved, with stout up to 5 mm long prickles)...D. > stramonium > 1a. Plants glabrescent or hairy; calyx cylindrical; corolla > more than 12 cm long; leaves entire or sinuate but not > dentate, anthers longer than 1 cm (capsule deflexed, irregularly > dehiscent)... 2 > > 2. Plants gladular-pubescent, not purple; calyx 8-10 cm long; corolla > 15-18 > cm long, anthers 10-17 mm long (capsules deflexed, covered with slender > prickles, pubescent, irregularly dehiscent)......................D. > inoxia > 2a. Plants glabrescent, often purple; calyx 4-9 cm long; corolla 14-20 > cm long; anthers 10-12 mm long (capsule deflexed, with short > broad-based short prickles, irregularly dehiscent)...............D. > metel > > > -- > 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://www.gurcharanfamily.com/ > http://people.du.ac.in/~singhg45/ > > On Sun, Dec 30, 2012 at 6:58 AM, Ushadi Micromini < > [email protected]> wrote: > >> *Guracharanji:* >> so does it mean one needs to wait till fruits develop and finally burst >> open to get an exact classification in case of DATURA? >> >> >> *Surajit:* nice pics >> Usha di >> >> >> On Sat, Dec 29, 2012 at 11:23 PM, surajit koley < >> [email protected]> wrote: >> >>> Sir, >>> >>> "Bengal Plants" describes three *Datura* species :- >>> >>> Capsule opening irregularly near apex, usually pendent - >>> flowers more or less purple ................ *fastuosa* >>> flowers white or cream-coloured .......... *fastuosa* var. *alba* >>> Capsule deeply 4-valved almost to the base, erect; flowers purple >>> *stramonium >>> * var. *tatula* >>> >>> I think this species is *Datura fastuosa* var. >>> *alba*<http://www.theplantlist.org/tpl/record/kew-2757780> >>> = *Datura metel* >>> Linnaeus<http://www.efloras.org/florataxon.aspx?flora_id=2&taxon_id=200020519> >>> . >>> >>> Regards, >>> >>> surajit >>> >>> -- >>> >>> >>> >>> >> >> >> >> -- >> Usha di >> =========== >> > > > > -- Usha di =========== --
