Plant ID forum: Tropical seed.

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Name: Myriam
Ghent, Belgium (Zone 8a)
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bonitin
Jul 9, 2014 4:45 AM CST
I found this large seed pod with a single seed fallen on a bolder in the river in the Atlantic Rainforest in Brazil, probably fallen from a tree close by, but I couldn't find out which one, the trees were huge and the tree canopy very dense.


Name: Myriam
Ghent, Belgium (Zone 8a)
Charter ATP Member Ferns Native Plants and Wildflowers Cat Lover Birds Bee Lover
Organic Gardener I was one of the first 300 contributors to the plant database! Frogs and Toads Plant Identifier
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bonitin
Jul 9, 2014 5:01 AM CST
I found out it must be a Sea Bean, Mucuna sp., just have to find out what species..
https://www.google.be/search?q=mucuna+seed&client=firefox-a&...
Name: Myriam
Ghent, Belgium (Zone 8a)
Charter ATP Member Ferns Native Plants and Wildflowers Cat Lover Birds Bee Lover
Organic Gardener I was one of the first 300 contributors to the plant database! Frogs and Toads Plant Identifier
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bonitin
Jul 9, 2014 5:12 AM CST
There are 4 species registered in the Flora do Brasil for the Rio de Janeiro state.
Mucuna analucianae
Mucuna japira
Mucuna pruriens
Mucuna urens

The shape of the seed pod and seed matches the best for Mucuna urens, normally the seed pods have spiky hairs, but mine was looking old and probably had lost them exposed to the elements.
https://www.google.be/search?q=Mucuna+urens+seed&client=fire...

Name: Greene
Savannah, GA (Sunset 28) (Zone 8b)
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greene
Jul 9, 2014 6:43 AM CST
Mucuna gigantea ? aka 'the hamburger bean'
http://waynesword.palomar.edu/Maui2013f.htm
Sunset Zone 28, AHS Heat Zone 9, USDA zone 8b~~"Leaf of Faith"
Name: Myriam
Ghent, Belgium (Zone 8a)
Charter ATP Member Ferns Native Plants and Wildflowers Cat Lover Birds Bee Lover
Organic Gardener I was one of the first 300 contributors to the plant database! Frogs and Toads Plant Identifier
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bonitin
Jul 9, 2014 6:48 AM CST
No not Mucuna gigantea Greene as the species doesn't occur in that region of Brazil. Smiling
Name: Janet Super Sleuth
Near Lincoln UK
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JRsbugs
Jul 9, 2014 6:52 AM CST
I tried growing one of these years ago! It didn't germinate. Rolling my eyes.

Mucuna urens does look a good match ..

http://www.cybertruffle.org.uk/vinales/eng/mucuna_urens.htm

Mucuna japira ..

http://legumminosae.blogspot.co.uk/2013/01/mucuna-japira-m-g...

Although, the photo of seed pods of Mucuna urens on the same site as above doesn't look much different!

http://legumminosae.blogspot.co.uk/2013/01/mucuna-urens-l-me...


Name: Myriam
Ghent, Belgium (Zone 8a)
Charter ATP Member Ferns Native Plants and Wildflowers Cat Lover Birds Bee Lover
Organic Gardener I was one of the first 300 contributors to the plant database! Frogs and Toads Plant Identifier
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bonitin
Jul 9, 2014 7:19 AM CST
Thanks Janet, maybe Mucuna japira might also be a valid candidate, such a pity I cannot find images of the seeds themselves on the web, but the web photos of the seeds of Mucuna urens are a perfect match..
The seed pods themselves might be variable, normally there should be two seeds or more in there, mine had only one and that could explain why the seed pod is less elongated than normal.
Name: Myriam
Ghent, Belgium (Zone 8a)
Charter ATP Member Ferns Native Plants and Wildflowers Cat Lover Birds Bee Lover
Organic Gardener I was one of the first 300 contributors to the plant database! Frogs and Toads Plant Identifier
Image
bonitin
Jul 9, 2014 7:34 AM CST
Forgot to sat Janet that if you want to try again to germinate one, I have a fresh seed I brought from my last trip, I can send you! Smiling
Name: Janet Super Sleuth
Near Lincoln UK
Charter ATP Member Organic Gardener Garden Photography Bee Lover Dragonflies Cat Lover
Butterflies Birds Plant Identifier I was one of the first 300 contributors to the plant database! Spiders!
Image
JRsbugs
Jul 9, 2014 8:02 AM CST
Seed pods often vary Myriam, some just fail to develop a second or more viable seed.

Have you managed to germinate a seed? I seem to remember they needed to be washed about in the sea for so long, and they need a lot of sun in a tropical climate, so I think I will have to say no thank you but thanks for the offer. Hilarious!
Name: Greene
Savannah, GA (Sunset 28) (Zone 8b)
Rabbit Keeper Critters Allowed Celebrating Gardening: 2015 Plant Identifier Garden Ideas: Master Level Garden Sages
Herbs Region: Georgia Region: United States of America Native Plants and Wildflowers Dog Lover Composter
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greene
Jul 9, 2014 3:07 PM CST
Edit: Duplicate link.
Sorry.
Sunset Zone 28, AHS Heat Zone 9, USDA zone 8b~~"Leaf of Faith"
[Last edited by greene - Jul 10, 2014 4:50 AM (+)]
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Name: Myriam
Ghent, Belgium (Zone 8a)
Charter ATP Member Ferns Native Plants and Wildflowers Cat Lover Birds Bee Lover
Organic Gardener I was one of the first 300 contributors to the plant database! Frogs and Toads Plant Identifier
Image
bonitin
Jul 10, 2014 1:29 AM CST
That is the same link as Janet gave, Greene?

No Janet, I haven't tried to germinate one of those sea beans, I wouldn't know where to plant a tropical tree! Hilarious!
But they are pretty to look at..

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