Monographs Details: Malanea setulosa Steyerm.
Authority: Maguire, Bassett. 1965. The Botany of the Guayana Highland. Mem. New York Bot. Gard. 12 (3): 1-285.
Family:Rubiaceae
Description:Latin Diagnosis - Planta ligneosa volubilis, stipulis late lanceolatis acuminatis 9-12 mm longis extus dense strigillosis; foliis petiolatis, petiolis 8-20 m m longis dense castaneohirtellis; laminis oblongo- vel obovato-ellipticis apice hebiter aeutis vel subacutis basi aeutis vel obtusis 9-16 cm longis 3.8-7 cm latis, supra tenuiter rugulosis costa media nervis lateralibus paullo sulcatis vel nervis lateralibus solum impressis superficie sparse breviterque pubescenti costa media magis densiuscule strigillosa, subtus dense tomentosis costa media nervis lateralibusque dense hirsutulis vel hirtellis pilis ferrugineis instructis; nervis lateralibus utroque latere 11-13; infiorescentiis 8-13 cm longis, pedunculo 3-6.5 cm longo, rhaehidi dense ferrugineo-hirtella pilis subadpressis, glomerulis 3-5 sessilibus, axibus lateralibus nullis; inflorescentiarum bracteis dense hirsutulis ciliatis; calyce hypanthioque 1.8-1.9 mm longo apice 1.5 mm lato; hypanthio glabro; calyce 1.5 m m longo extus minute strigilloso intus glabro 4-dentato, lobis late triangularibus aeutis 0.2-0.5 mm longis 0.8-0.9 mm latis; corolla campanulato-infundibuliformi 5 mm longa, tubo 2 mm longo basi 0.7-0.8 mm lato fauce 1.8-2 mm lato extus dense strigoso intus villosulo, lobis 4 lanceolato-oblongis obtusis vel rotundatis 2.5-3 mm longis 1 m m latis apice atque infra apicem extus plurisetosis pilis rigidis multicellularibus ca. 0.5 mm longis instructis, extus dense strigosis intus villosulis; antheris ca. 1 m m longis, filamentis antheris brevioribus; stylo 4.5 mm longo glabro; stigmatibus rhomboideo-oblongis apice rotundatis; fructibus elliptico-oblongis 10-11 mm longis 4.5-5 mm latis.

Discussion:This species differs from 31. sarmentosa in having the leaf-blades pointed at both ends, acutely pointed calyx-lobes, and the setulose-tipped corolla-lobes.