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  #1  
Old September 27th, 2009, 02:28 PM
hanna hanna is offline
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Looks like a corn plant but what is it?

seen today in Central Arkansas, near crop fields, along the road side, in fertile soil, sunny location

the plant grows over 10 ft tall, maybe even 15 ft

grows from a rhizome

has a feathery plume, like the ornamental grasses or corn

maybe the pictures can help to identify it?

thanks for any lead
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  #2  
Old September 27th, 2009, 04:06 PM
thanrose thanrose is offline
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Re: Looks like a corn plant but what is it?

That's a switch cane. I'm a little iffy on them, but it's either Arundo donax or Arundiaria spp.
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Old September 27th, 2009, 04:13 PM
thanrose thanrose is offline
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Re: Looks like a corn plant but what is it?

I'm also thinking Phragmites.

Just cruising around google images, I'm not seeing the plume on Arundinaria spp. so full and fluffy, but that may just be the chance selection of images. Arundo donax and Phragmites australis do have the plume.
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  #4  
Old September 27th, 2009, 05:14 PM
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saltcedar saltcedar is offline
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Re: Looks like a corn plant but what is it?

Arundo donax
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  #5  
Old September 27th, 2009, 09:11 PM
Ron B Ron B is offline
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Re: Looks like a corn plant but what is it?

Yep: Phragmites does not have the heavy, lush, corn-like foliage of Arundo. I call the latter blue corn plant.
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Old September 28th, 2009, 04:29 AM
Michael F Michael F is offline
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Re: Looks like a corn plant but what is it?

Ditto to Arundo donax.

An invasive weed in your part of the world.
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Old September 28th, 2009, 05:29 AM
hanna hanna is offline
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Re: Looks like a corn plant but what is it?

thanks for all the posts, but I'm still not sure if it's an arundo or phragmites australis

the inflorescence of the phramites on some photos is quite full too -

they look a lot alike

are there any clear characteristics between the two?
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Old September 28th, 2009, 11:27 AM
Michael F Michael F is offline
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Re: Looks like a corn plant but what is it?

Phragmites seedheads are distinctly purple before maturity, not whitish like this. They also have slenderer stems.

See e.g. http://commons.wikimedia.org/wiki/Fi...deCaracuel.jpg
http://commons.wikimedia.org/wiki/Fi...is_blossom.jpg
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  #9  
Old September 29th, 2009, 02:49 AM
hanna hanna is offline
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Re: Looks like a corn plant but what is it?

Michael,

thanks for the clarification - the stems are definitely not slender and I did not see any purplish color
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