Forwarding for ID
Distributed as Sida yunnanensis ? 
<https://sites.google.com/site/efloraofindia/species/m---z/m/malvaceae/sida/sida-yunnanensis>
Group discussion at
Malvaceae Week: Sida yunanensis from Delhi Pl validate (google.com) 
<https://groups.google.com/g/indiantreepix/c/s-cRVJc7vIE>

On Monday, June 25, 2012 at 6:07:41 PM UTC+5:30 JM Garg wrote:

> Forwarding again for Id confirmation or otherwise please.
>
>
> ---------- Forwarded message ----------
> From: Gurcharan Singh <[email protected]>
> Date: 10 September 2011 10:01
> Subject: [efloraofindia:80919] Malvaceae Week: Sida yunanensis from Delhi 
> Pl validate
> To: efloraofindia <[email protected]>, Flowers of India <
> [email protected]>
>
>
> *Sida yunnanensis* Hu, Fl.China,fam. 153.16.t.16.f.7. 1955
>
> I have been working on this plant for some time, similar to what Balkar ji 
> uploaded as Sida sp. from Panipat and Tanay identified as S. rhomboidea 
> (another but not accepted now name for S. rhombifolia). This interesting 
> plant at first sight appears to be Sida rhombifolia var. obovata as per 
> brief description in Flora of British India. As per eFlora of Pakistan this 
> is a synonym of Sida yunanensis but according to eFlora of China it is a 
> synonym of S. alinifolia var. obovata. Author of eFlora of China was aware 
> of this when he writes "The original author suggested that *Sida 
> yunnanensis* was related to *S. spinosa* Linnaeus, but it is 
> distinguished by the broadly elliptic or obovate leaf blades 
> (ovate-lanceolate in *S. spinosa*), shorter petioles (3-7 mm as opposed 
> to 2-20 mm in *S. spinosa*), and the absence of the short nodal spines 
> characteristic of *S. spinosa*. Paul (Fl. India 3: 290. 1993) included *S. 
> yunnanensis*within *S. rhombifolia* var. *rhombifolia*, while Abedin (Fl. 
> W. Pakistan 130: 81. 1979) accepted it and extended it to include material 
> from India, Kashmir, Myanmar, and Pakistan."
>
> Now let us understand this plant, the leaves are elliptic-obovate, up to 5 
> cm long, clearly closely white tomentose beneath especially in plants of 
> dry habitats, leaves more straight at less wrinkled as compared to other 
> species, significantly flowers tend to be occurring in clusters mostly on 
> short axillary branches, calyx is sparcely hairy, flowers yellow about 1 cm 
> across and most importantly in all my specimens carpels are five, the 5 
> mericarps in fruit have very small (hardly 1 mm) awns closely converging.
>
> To arrive at better conclusion I tried to identify this plant from keys 
> given in both floras, and in both cases the key led me to S. yunanensis 
> (characterised by leaves up to 5 cm long, broadly elliptic to obovate, 
> flowers in fascicles, mericarps 5 (-7), with less than 2 mm long awns).
>    Why it can't be S. alnifolia var. obovata as per description provided 
> by  eFlora of China is that it has smaller than 2 cm leaves, flowers 
> solitary, and 6-8 mericarps.
>
> The plant was photographed in Vikas Puri, New Delhi, growing in a 
> neglected area in Park. Very common in Delhi.
>
> Your comments please. 
>
>  
>
> -- 
> 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/ 
>
>
>
>
> -- 
> With regards,
> J.M.Garg
> http://en.wikipedia.org/wiki/User:Jmgarg1
> 'Creating awareness of Indian Flora & Fauna'
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> & eight thousand images of Birds, Butterflies, Plants etc. (arranged 
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>
>

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