Plant ID forum: Dominican Republic begonia

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Name: Carter Mayer
Houston, TX (Zone 9b)
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Carter
Sep 11, 2016 8:56 AM CST
Any ideas on what type of begonia? Growing near Samana, Dominican Republic, in part sun to mostly shade. Very large leaves! Rhizomatous type, blotched reddish leaf undersides, reddish new growth, probably at least about 2 1/2 feet tall or so. I didn't see flowers so not sure what they look like. Please forgive the trash - at least it gives an idea of scale. Thanks!
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Name: Alice
Saint Helena Island, SC (Zone 9a)
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ardesia
Sep 12, 2016 1:43 PM CST
Perhaps you could share the photos with the Houston branch of the American Begonia Society. Someone there might have an idea on the ID.
http://www.begoniahouston.org/
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Name: Lin
Florida (Zone 9b)
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plantladylin
Sep 12, 2016 2:31 PM CST
Very interesting stems. I have no clue which it is but the leaves remind me a bit of Begonia remiformis: https://www.google.com/search?q=Begonia+reniformis&biw=1263&...
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Name: Carter Mayer
Houston, TX (Zone 9b)
Tropicals Adeniums Plant Identifier
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Carter
Sep 12, 2016 5:38 PM CST
Thanks, Alice, that's a good idea - hadn't thought of that!

Lin, ya, it's kinda similar, but I don't think that's quite right. B. reniformis doesn't seem to have the stature this one did, it was BIG!! Plus reniformis looks to be a cane type and this one was definitely rhizomatous. Thanks, tho.
Name: Suzanne/Sue
Sebastopol, CA (Zone 9a)
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Calif_Sue
Sep 13, 2016 1:28 AM CST

Moderator

Yeah, I wish we had some begonia experts on here! Sad
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Perthshire. SCOTLAND. UK
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Silversurfer
Sep 13, 2016 5:26 AM CST
Without flowers it is very hard to be positive.
Might it be Begonia popenoei..big leaved Begonia....also called simply the White Begonia.?

"Begonia popenoei is a rhizomatous begonia with large, rounded, mid-green leaves."

https://www.google.co.uk/search?q=Begonia+popenoei&rlz=1C1GN...

http://www.begoniasocietypbfl.org/PMmar07Bpopenoei.html

http://www.tropicos.org/Name/3400262
[Last edited by Silversurfer - Sep 13, 2016 5:31 AM (+)]
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Name: Alice
Saint Helena Island, SC (Zone 9a)
Charter ATP Member Hummingbirder Garden Photography Container Gardener Butterflies Bromeliad
Birds Ponds Region: South Carolina Tropicals
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ardesia
Sep 13, 2016 6:10 AM CST
I thought about popenoei but didn't think the leaves in Carter's pictures are as round as popenoei's usually are. The new leaf in the 4th photo clearly shows a more distinct shape. There are always variations though, so maybe.......
Minds are like parachutes; they work better when they are open.
Name: Suzanne/Sue
Sebastopol, CA (Zone 9a)
Sunset Zone 15
Region: California Plant Database Moderator Roses Irises Clematis Garden Photography
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Calif_Sue
Sep 13, 2016 8:24 AM CST

Moderator

That's the only one I thought too, popenoei but the leaves, as Alice said, didn't seem right. Too many notches.
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Name: Carter Mayer
Houston, TX (Zone 9b)
Tropicals Adeniums Plant Identifier
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Carter
Sep 13, 2016 5:40 PM CST
Yes, this one's leaves were definitely not rounded. Large leaves, tho - maybe 8"-10" or so, possibly a little larger.

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