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Dendrobium bigibbum

Dendrobium bigibbum

Orinally submitted as Den. compactum

I dont know anything about this plant, I picked it up in Port Douglas over xmas. Maybe someone out there will have some info on it.

I also picked up a Den. broomfieldii. Does anyone have an image of this, as the one I got was not in flower, and I would like to see what it looks like.

Dendrobium bigibbum

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Santa was kind

I think you will find you have Dendrobium bigibbum var. compactum.
Although now it is simply accepted as Dendrobium bigibbum. Compare with this one http://www.orchidspecies.com/denbiggibum.htm

Dendrobium discolor var. broomfieldii is the other one. Sorry but I cannot help with a photo although I live in hope mine will flower soon.

Regards wellsy

Davo

We must have a different Santa, mine failed me and was very cheeky about it.

Just for an idea of what your broomfieldii should look like, take a look at Den. John's Charm 'Yellow', it is 50% broomfieldii http://orchidsonline.com.au/node/2660

How big is the plant you picked up??????

Bill

broomfieldii

Thanks for the comparison link Bill, I hope its half as good as that when it flowers. It has one cane about 700mm high and two shorter older ones, with two new growths about 30mm long. I am not sure if it will flower this year, although I can not see sign of any old flowers on the big cane, so I might get lucky. The very old fellow I got it from, told me that he had picked them up of the banks of the Daintree river some 30 years ago, and they still grow wild and in abundance there now.
Dave

Davo

you will be in for a wait

I think you will be in for a wait Dave...these ones get quite long canes before they flower. My plant has two canes that are both around 1300mm long and both are yet to flower.

Regards wellsy

other half

whats the other half Bill?

Regards wellsy

other half

You had to ask didn't you Wellsy, I was hoping no one would ask that question.

The other half of the cross is Den. semifuscum as per 1984 RHS Registration by D'Bush Orchids.

Den. semifuscum was described and published by Laverack & Cribb in Orchadian 6: 209 (1980).

The Monocot List shows Den. semifuscum as a synonym for the accepted name Den. trilamellatum.

I just happen to have a plant that I suspect is the original Den. semifuscum, flower is bright yellow and fuller shape than Den. trilamellatum, also the leaves are softer more like Den. bigibbum not leathery like Den. trilamellatum. The plant is the same size as a Den. trilamellatum.

Wayne Harris from Queensland Botanic Gardens has looked at the flower photos but is unable to identify the plant.

My next step is to contact Bill Lavarack who is now living at Buderim for his opinion.

I'll let you know in the New Year what the outcome is.

Bill

know me well

You know me well it seems....Thanks for that Bill!

Regards wellsy