Desirai,
Since Huernias are in the Asclepiadaceae(Milkweed family) their seeds are contained inside a typical milkweed pod. The pods burst open and the seeds are wind distributed by fluffy "tails" (known scientifically as a pappus) attached to each seed. Since they are pollinated by flies, I suspect what you are seeing are unopened flowers.

Here is a link that might be useful: {{gwi:623547}}

OOh wow definitely nothing like that on my plant. Tax for the info!!

Desirai,
You could pollenate them yourself. Use a artist paint brush and keep dabble inside the flowers every few hours while they are open. In the next few days, you should see that the old flower is not dropping off but changing. I havn't see a seed pod on any of mine but still trying.
Stush

Those are seed pods