--
Regards
Dr Balkar Singh
Head, Deptt. of Botany and Biotechnology
Arya P G College, Panipat
Haryana-132103
09416262964
On Fri, Nov 18, 2011 at 11:32 AM, kamasani narasimhareddy
<drknre...@gmail.com> wrote:
> Dr. Balker Ji,
>
> It may be Sphaeranthus senegalensis. leaves single dentate. (Ref.
> Flora of India Vol.13, by BSI, Calcutta).
>
>
> Keys
>
> 1a. Stems not winged or rarely narrowly winged; glomeruli
> conical, subsessile, brownish;
> outer florets not more than 4
> ---------------------------2.Sphaeranthus amaranthoides
>
> b. Stems winged; glomeruli spherical or ovoid, pedunculate, glabrous,
> white, purple or violet; outer florets more than
> 4 -----------------------------------2
>
> 2a. Wings entire, glomeruli not more than 1 cm across; peduncles
> glabrous; involucral bracts not ciliate at apex
> -------------------------------------1. Sphaeranthus africanus
>
> b. Wings toothed; glomeruli up to 2.5 cm across, peduncles
> pubescent; involucral bracts ciliate at apex
> --------------------------------3
>
> 3a. Leaves double-dentate and with stalked glands
> ----------Sphaeranthus indicus
>
> b. Leaves single dentate and with sessile glands
> -------------Sphaeranthus senegalensis
>
> (Ref. Flora of India Vol.13-Asteraceae (Inuleae-Vernonieae) By R.K.
> Hajra et al.1995. BSI, India)
>
>
> With regards
> Reddy, K.N
> Research Scientist