Plant: perennial creeping or climbing herb; stems to 90 cm long; STEMS and leaf margins with few to many aculeate hairs Leaves: 5-12 (commonly 6) at each node Flowers: perfect, with generally (not always) campanulate corollas Fruit: FRUITS with well developed or obscure uncinate hairs REFERENCES: Dempster, Lauramay T. 1995. Rubiaceae. J. Ariz. – Nev. Sci. 29(l): 29.