Colocasia esculenta ‘Coffee Cup’

Colocasia esculenta ‘Coffee Cup’;
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Dattaji Salvi Udyan  Thane

Date: May 1, 2018 … Altitude: about 11 m (36 feet) asl
Colocasia esculenta  (L.) Schott ‘Coffee Cups’
Could you show me the upper surface of the leaves please.  Or how many tubers are there per individual plant.  These are the keys for identification.
…, I do not have pictures of upper surface of leaf; but I will surely get it when I visit the garden again. I will post the pictures in this thread.
I am not sure of the number of tubers; I will ask the garden keeper about it.
When I had visited the garden, I was told that this was the ‘Coffee Cup’ cultivar, since the leaves were shaped like a cup. When you poured water on a leaf, it would tilt due to the weight of water and the water would pour out just like from a cup.
Thank you very much … for the etymological information of the cultivar name.
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… hopefully these pictures help in seeing upper surface of the leaves. The gardener is not aware of the number of tubers for a plant. I believe the ID is correct. OR do you think there is any other species close to this one ?
2 images.
/wp-content/uploads/2020/10/Colo_Xanth-8.jpgColocasia esculenta left and Xanthosoma sagittifolium right

Colocasia esculenta is very tricky.

If the leaf intramarginal vein is not clear, leaf upper surface is very waxy then it is C. esculenta
If the leaf intramarginal vein is clear, leaf upper surface is slightly waxy then it is Xanthosoma sagittifolium
If it has only one tuber, then it is C. esculenta
If it has many tubers, then it is X. sagittifolium.
I send you a picture for comparison.

I think your picture resembles my Xanthosoma.

2 images.
Many many thanks … for validation.

My posted plant – to me is different from your plant – mainly your plant leaf has negligible “cup” shape, the leaves are relatively large too.

About waxy – yes my posted plant does have waxy texture; also I do not see clear, pronounced intra-marginal vein in my plant – which if I am not mistaking runs along the leaf margin.

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Could you help me id our Araceae Please. Thank you.

Colocasia sp