(1885)  Page(s) 350.  
 
R. gymnocarpa, Nutt. Stem slender and rather weak, 2 to 10 feet high, with striaght slender infrastipular and scattered sprines, and more or less densely prickley, or nearly naked; stipules usually narrow, glandular-ciliate; leaflets 5 to 9....doubly glandular-toother....rhachis more or less prickly and hispid; floers soliary or few...fruit oblong-obovate (3 to 6 lines) to globose (3 to 4 lines broad0, few-seeded...The flowers are pale rose-color, sometimes white, usually about an inch broad. The sepals are always entire...The leaflets vary much in form and size (the terminal 3 to 18 lines long)....Resinous pubescence on the under side of the leaves is more frequent, but rare.