Monographs Details: Pagamea brevipedunculata 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 - Arbuseula 3-6-metralis, ramis terminalibus vel juvenilibus minute puberulentibus; stipularum vaginis 3 mm longis dense scabridulo-puberulentibus apice setis 2 mm longis glabris resinosis instructis; foliis petiolatis, petiolis 2-3 mm longis dense minutissimeque scabro-piiberulentibus; laminis ovatis vel ellipticoovatis ad elliptico-lanceolatis apice subacuminatis vel acuminatis basi obtusis vel rotundatis 3-4 cm longis 1-2 cm latis decurrentibus cum petiolis, supra minutissime scabridulo-puberulentibus, subtus costa media minutissime hispidulo-puberulenti aliter ut videtur glabriusculis; nervis lateralibus utroque latere 4-5; inflorescentia 6-10 mm longa, pedunculo nullo vel usque ad 6 mm longum minutissime sparseque puberulenti vel glabrato; calyce campanulato-turbinato 3.8-4.5 mm longo, tubo 1.8-2 mm longo 1.5-1.7 mm lato extus sparse breviter hirtello, lobis 4 inaequalibus lineari-lanceolatis vel lanceolatis acutiusculis vel subacutis 2-2.5 mm longis 0.7-0.9 mm latis extus moderate breviter hirtellis; corolla subrotata 4 mm longa, tubo 2.2 mm longo 1.5 mm lato extus glabro intus fauce dense barbata aliter minutissime papillate basi ipsa glabra excepta, lobis 4 late ovatooblongis vel lanceolato-oblongis apice obtusis vel rotundatis 2 mm longis 1.2 mm latis extus breviter sparse hirtellis intus dense pilosulo-villosulis; staminibus 4, antheris oblongis 0.7 mm longis, filamentis 0.7 mm longis glabris ad faucem insertis; ovario omnino glabro; stylo 2.75 mm longo glabro; fructu globoso 4.5 mm longo 4.5 mm lato glabro.

Discussion:This species is related to P capitata Benth., from which it differs in the glabrous ovary, smaller nearly glabrate leaves, and shorter petioles.