We've talked before about how size of seeds and size of plants are not usually related.
Small seeds can grow into large plants and vice versa.
Today's tiny seeds, however, do grow into a delicate little plant (the white object is a rice grain added for scale).
Do you recognize what plant these seeds are from? If you choose to, please leave a comment with your ideas.
Mystery Seed answers and new Mystery Seeds are posted on Tuesdays.
Edit: The answer is now posted.