No suggestions, but what an exciting 'find', especially since you had burned the area. I see it is also referred to as a Pine Lily. Thanks for sharing.

Sue

"Pine Lily is sometimes called Leopard Lily or Catesby's Lily. This is without doubt one of most beautiful and exotic of lily this country and region can boast to the world. While it is rare in the Escambia region it may be seen in most flat pine woods and savannas throughout central Florida and coastal Alabama. The plant does not lend itself to transplanting because the small bulb and root system is highly susceptible to shock; it would simply go dormant when disturbed ... best not to move it."

Pine Lily's are considered a threatened species...

Thank you.
There are now four of them in bloom!
I did take a q-tip and gently "pollinate" them, but I suspect the butterflies/insects had already done that.

Hope to collect some seeds, (according to internet info)