Rhodoleia championii seed
Also known as the Hong Kong Rose
This here is an absolutely gorgeous
It is said to withstand temperatures into the teens and possibly lower, though it grows well where the summers are hot and will bloom during the cool parts of the year. It prefers well drained, but moist soil. It is bird-pollinated.
The flowers do resemble Rhododendron, but they are not related at all. They are in fact a member of the Hamamelidaceae, surprisingly the Witch Hazel family.
*As of 2010 theUniversity of Hong Kong listed this species on the top 25 rare and protected species of plant.