Recently renamed: Fargesia apicirubens by Chris Stapleton (see link for article)
Fargesia sp. 'Dracocephala' is a hardy clump-type bamboo from the forested mountains of China. It is reported in its native habitat to grow 3 to 5 meters (9 to 16 feet) tall. Since it is a clump-type bamboo, it can be planted without fear of rapidly spreading. It grows with a weeping habit. It forms a dense clump and can be used to make an almost solid screen if there is sufficient room for a plant with a weeping form. We had a 16 foot long screen of just four Fargesia sp. 'Dracocephala' plants at the entrance to the nursery that was terrifically dense. The culms are solid and make good small garden stakes. The leaves of do not curl in the sun or the cold and stay evergreen all year, but you must protect them from too much hot afternoon sun, or they may show signs of leaf burn. Recently renamed by Chris Stapleton to be F. apicirubens, while F. sp 'Rufa' was determined to be the original Dragon's Head Bamboo (F. dracocephala) describes by Chinese botanists.
For more info see link: F. apicirubens