Re: Any Guesses?
Hard to guess at the vegetative stage like you said, but worth trying for practice. Keep in mind I'm not a professional, nor at the level of experience of senior members, but I will provide my rationale for others to check.
1. It's in Canada sold at a big box store, which means it probably came from a wholesaler. Therefore probably not an "exotic" cultivar or a wild species.
2. The petiolar canal is U shaped, and from my understanding the shape is a relatively stable trait when the plant isn't flowering or very small. Therefore can rule out pure acuminata (flared) or balbisiana (closed). So it's probably in Pome, Silk, or Mysore subgroup.
3. Absence/intensity of blotching and pigmentation isn't particularly reliable, because they can vary based on growing conditions. Sometimes artificial or filtered lighting doesn't bring out all the colors that a cultivar is capable of producing. Nutrient deficiency has also been noted to mess with pigment intensity. Pigmentation presence can be used to rule out some options, but not useful in narrowing it down further for this one.
Recap: it probably belongs to one of three subgroups: Pome, Silk, or Mysore.
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Aspiring botanist | Trash horticulturist
I like to learn and teach about plants, but can't grow them well. Yet.
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