Book  (1858)  Page(s) 264.  
 
Aurea, (also flava), a sometimes very beautiful variety of Thea lutea, usually somewhat lighter yellow, centre deeper, more double.

Book  (1847)  Page(s) 551.  
 
Tea. Aurea (also flava), an occasionally very pretty form of Thea lutea, usually somewhat lighter yellow, center darker, more double. Very beautiful.