Galium ruwenzoriense is a member of the family Rubiaceae

Rubiaceae

The Rubiaceae is a family of flowering plants, variously called the coffee family, madder family, or bedstraw family. The group contains many commonly known plants, including the economically important coffee , quinine , and gambier , and the horticulturally valuable madder , west indian jasmine ,...

 which grows at the mid-altitudes of 2,700 and 4,050 meters (8,900 - 13,300 ft) in northern Sub-Saharan Africa

It forms vines, and spreads vegetatively by means of runners

Stolon

In biology, stolons are horizontal connections between organisms. They may be part of the organism, or of its skeleton; typically, animal stolons are external skeletons.-In botany:...

. It climbs, attaching to surfaces with rows of small hooks along the edges of its leaves and stems

It has bristly leaves, deep red or even black berries, and small, light green flowers.