What is "spenceria"

Spenceria ramalana is the lone species in the plant genus Spenceria, known by two varieties. S. ramalana grows from 18–32 cm. tall, and puts out yellow flowers from July through August; bearing fruit (yellowish-brown achenes) from September to October. The Chinese name, ma ti huang [马蹄黄], can be translated to mean "yellow horseshoe".