Miniature Genus ID please
 

anyone know what Genus this is? I believe it is mostlikely a hybrid, I know i've seen it many times it just won't come off the tip of my tongue.


It is about 5" tall with a bunch of tiny little white blooms.

Also that Dend. I believe its a hybrid as well I just need to confirm. Anything helps

The flowers aren't very clear in the photo but the white could be Onc. Twinkle or a similar hybrid like Tsiku Marguerite.

The Den. may be a hybrid, but would be hard to distinguish from Den. bigibbum or Den. phalaenopsis species.

Yes, probably oncidium Twinkle and most likely a hybrid den Phal. Difficult to id absolutely.

indeed that helps a little, thanks!!! I work for a non profit instutution and need to do some inventories of the plant collection.

Can you post a clearer picture of the miniature? I think it's a miniature Dendrobium and not an Oncidium at all.

I agree that the other plant is probably a Dendrobium phalaenopsis hybrid.

The plant with white flowers has a classic Oncidium look to it: compressed pseudobulbs with long leaves coming from the sides and top. a long arching inflorescence coming from the base of the pseudobulb but emerging in the groove of a lateral leaf.

That is a good point that I hadn't considered, but I don't think I see even a hint of a callus in the flowers. That would be problematic for an Oncidium.

The white flowers aren't in focus enough for me to see any detail at all.

Orchidists use colloquially the term Oncidium to refer to any of the genera or nothogenera in the Oncidium alliance (horticultural term) / Oncidiinae subtribe (taxonomical term.)

I agree that the quality is poor. Perhaps I'm experiencing too much confirmation bias.

I have a Oncidium cheirophorum, one of the parent plants of twinkle. My cheirophorum flowers look very much like this, though they are yellow. I also have Tsiku Marguerite, very similar except it is a taller plant, maybe the other parent plant of Twinkle? The cheirophorum is small, 5 inches if that and I've had this plant several years. This looks more like a twinkle in my opinion. Is there an alba form of cheirophorum?

A better picture would be helpful.

Oncidium Twinkle is (cheirophorum x sotoanum)
Oncidium Tsiku Marguerite is (Twinkle x sotoanum)

There is also Oncidium Gold Dust (Twinkle x cheirophorum)

I'm not aware of a true alba form of either species, though cheirophorum can be very pale. All of the hybrids can be found in near-white. Also, there are at least 30 other related registered hybrids that combine cheirophorum with sotoanum plus other species. And many unidentified unregistered crosses within the group are used in mass market sales. Even with a perfectly clear picture we could never be certain which we were looking at, though this is very likely somewhere in that Twinkle swarm.

The third photo looks to be a Den. bigibbum or compactum hybrid. The shape of the flowers that emerge similar to the Phal type Dens [which it is] and the short PB's give it away.

thanks everyone!!! I just needed a genus ID somewhat.

I work at an aquarium with a rainforest room, I'm used to working with only species since hybrids don't call to me as much..

so I appreciate everyone's time.

I'm trying to pack as many orchids in here to show the public.