Ten freshly minted oca (Oxalis tuberosa) seeds awaited me this morning, the results of cross OC13-S10x04-05, Hopin x Unknown Orange. Although I’m sure this will soon lose its thrill, it was nearly as exciting as the first few seeds that I collected. Ten seeds seems like a pretty respectable yield, although, according to my research, is right on the average for an (M x mS) cross.
They are now drying safely in a Petri dish with some desiccant packs.
|Oca seeds are small – about the size of the tip of a #2 pencil|
I took a moment to put some of the seeds under the microscope for a closer look:
If you click on the pictures for a larger version, you can just see the pores in the seed coat.
|Oca seed with what I assume is the integument of the ovule still attached.|
|Oca seed. Slightly better detail on this one.|
|This is what oca pods look like within 24 hours of bursting.|
You can see the seeds showing through in a few places.
|This is what an oca pod looks like within an hour of bursting.|
The pod often splits open and you can see the seeds inside.
Oca seeds and tubers are sometimes available in our seed shop.