Sida acuta ?;
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Indonesian Sida 1 : Attachments (1).  3 posts by 3 authors.

Could you help me id our next Sida please. Thank you.


Sida acuta has two forms, 1) narrow leaved and 2) broad-leaved. This pictures may be of the broad-leaved form of S. acuta. Not sure but.


efi page on Sida acuta



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Malvaceae Fortnight;:Angled Sida NSJ 23 : 1 post by 1 author. Attachments (1)

Angled Sida (Sida acuta ??) from Satara



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KAS Week::(Sida acuta-03/10/2012-NJ): Sida acuta (Sahadevi – in Marathi)


I can see three linear epicalyx below the calyx. Besides flower looks more like Malvastrum.


3 linear epicalyx and distinctive obliquely obovate petals clearly identify with Malvastrum coromanelianum, although leaves are narrower.


Can be Sida acuta also.


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Plant of Baturraden 9 :  Attachments (1). 2 posts by 2 authors.

Could you id our shrub please. Flowers not seen


Sida sp


Sida acuta


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Malvaceae herb for ID :: MK 2017 Feb-01 : 3 posts by 2 authors. Attachments (6)

Please help me to identify this Malvaceae herb found in dry lakebed. Could this be Sida spinosa?
Date: October 2016
Alt.: 29 m asl

Location: Tiruvallur dist (near Chennai), TN


Thanks,  …  You can check in EFI also.


Closest I could found as per comparative images at Sida is Sida spinosa L. only.

However, images of leaves in your post look a bit longer compared to images in efi at Sida spinosa L.


I also think it is closer to images at Sida acuta Burm.f. rather than those at Sida spinosa L.


Any reasons or references ?
To me it looks different from images at Sida spinosa L.


It’s very variable based on habitat …,

the main reason is spine-like projections at axils,
if still have doubt wait for experts comments,



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