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Bulbophyllum grandiflorum | Orchids Online
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Bulbophyllum grandiflorum

Bulbophyllum grandiflorum J.J. Sm.

Subtribe: Bulbophyllinae

Country: New Guinea

Contributors: Steve Wells (Photo) and Jim Cootes (ID)

Edit: the name on this one is now seemingly correct as above...see comments below. Thanks to both Daniel and Bernard.

Bulbophyllum grandiflorum produces large reddish brown flowers to 10cm. It belongs to the Section Hyalosema in the genus Bulbophyllum. A robust, warm to intermediate, showy species that will climb up a treefern slab or wrap around a basket.

The flowers are oddly shaped, rather like a very large beak, dorsal and sepals intricately veined and almost translucent ruby red against the light. Will take maximum water and fertiliser while in active growth, with maximum light short of sunburn.

Bulbophyllum grandiflorum

Vote Result

Score: 0.0, Votes: 0

Bulbophyllum grandiflorum?

Hi Wellsy,
I think this is a Bulb. arfakianum.

Bulbophyllum. sec Hyalosema

This is one of the most difficult sections in Bulbophyllum. There are so many variables within the different species Take your picture Wellsy, it is not B.grandiflorum and it is not B.Arfarkianum. It looks more like B.longisepalum, but I don't think it's that species either. Relative large and single flowers with minute petals and so-called windows on the sepals are three of the characters in this section.
Sometimes it's dificult to identify a species in this section without looking closer at the column structure and minute petals.
B.grandiflorun,B.burfordiense and B.micholitzii are often mistaken also B.arfarkianum and the somewhat smaller fritillariiflorum to name a few.
When I master the logging-in proceedure and sending images on this site, (no disrespect intended to the site organisers, the problem is with me) I will attach some pictures.


originally b. cominsii

This plant originally came to me labelled as B. cominsii but the ID was changed from advice received.....looks like I need to change my label again eh?

Regards wellsy

Regards wellsy


That info you got Steve would have been correct if your plant was the genuine article to start with.

I think this Bulbo. should be listed as Bulbophyllum sp. for now.

Bernard, I am in the same boat as you with putting multiple photos in, just can't master it.

regards Bill

I just grow them

I just grow them...I'm not an expert when it comes to the identification of the numerous members of this huge genus...lol

Bill...I think that this one should be left as it is until this ID is established to the satisfaction of all...my opinion

Bernard and Bill...just submit multiple "image" content types and we will link them to the same species OR simply attach the images you want and I will sort out the techy stuff and make them display for you if you like.

Regards wellsy

Regards wellsy

B cominsii

Hi Wellsy

My apologies, I have discovered your cominsii it is a genuine species, its the colour form that had me perplexed. The normal colour is various shades of green. We are all learning all the time!

(Your plant still looks like B.longisepalum with broader lateral sepals)



B. cominsii

I've check on the world monocot checklist. It turns that B. cominsii is a synonym to B. grandiflorum. So, i guess wellsy is right afterall. My apologies too :)
That is definately not a B. longisepalum.

Regards, Daniel.


I concur Daniel,I can't keep up with all these name changes. I've just checked the name for B.lepidum a plant I've had 20 years, i'ts new name is B.flabellum-veneris. The downside of this name changing makes it more difficult when purchasing new plants.


worthwhile discussion

thanks to all....this has been a worthwhile discussion with a good result I think.

Regards wellsy

Regards wellsy

from what you have said

from what you have said I guess you both seem to think we should keep this one named as it is for now?

Regards wellsy

Regards wellsy