Book  (1940)  Page(s) 437.  
 
R. v. lamprophylla Rehd., var. Of very dense habit, usually lower than 1 m.: lvs. of shoots usually 9-foliolate; lfts. elliptic to obovate, acute or sometimes obtuse, cuneate, very lustrous above; petioles usually reddish. Me. to Conn. Intr. 1881.