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grass ID2 from Hooghly 15/9/12 SK2:

Found this grass beside a railway platform, today. Could this be another Hemarthria species?
Species : UNKNOWN
Habit & Habitat : about 4 feet or more tall, a few even more than 5.5 feet; leaves = length more than 45 cm, leaf width 1.7 cm; inflorescence (?) avg. 15 cm.
Date : 15/9/12, 2.15 p.m.
Place : Begampur (Hooghly)


I would like to add some more information relating to the place, Begampur, where i found this grass.

May be Hemarthria compressa De Silva,


I have a previous post of H. compressa at – 
https://groups.google.com/d/topic/indiantreepix/RSgU1MEtpYw/discussion. This grass looks slightly different. Does H. compressa has sub species or variants?


Yes. It is Rottboellia cochinchinensis also called Rottboellia exaltata. If you observe the lowest leaf sheaths, you can find stiff hairs, which also may sting or itch when touched. Hence, this is also called Itch grass.


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Unknown grass collected from Kamrup district(Metro), Assam : Attachments (10). 4 posts by 3 authors.

Attached images are unknown grass collected from Kamrup district(Metro), Assam. Please Id for it. 
Date : 30.06.2013 & 04.07.2013
Location: Kamrup district (Metro)
Family : Poaceae
Genus & species : Unknown
Habitat: Grows wild on hilly area
Habit : Herb


This may be Rottboellia cochinchinensis (Lour.) Clayton (syn. R. exaltata L. f.)


Yes, …


 

Need help with grass id : 6 posts by 3 authors. Attachments (7)- around 800 kb each. 
Bhopal; black soil; 16/10/2020

Rottboellia cochinchinensis


Yes it is. Also known as R.exaltata


  

 
 
References:

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