Duroia merumensis Steyerm.

• Authority

  Maguire, Bassett. 1965. The Botany of the Guayana Highland. Mem. New York Bot. Gard. 12 (3): 1-285.

• Family

  Rubiaceae

• Scientific Name

  Duroia merumensis Steyerm.

• Type

  Type. Small tree to 4 m; petals creamy-white, recurved; infrequent in medium high forest. Upper Mazaruni river basin, Partang River, Merume Mountains, southeast ridge of Merume Mountain, British Guiana, at alt. 1140 m, 6 July 1960, S. S. Tillett, C. L. Tillett & R. Boyan 44835 (holotype NY).

• Description

  Latin Diagnosis - Arbuseula ad 4-metralis, foliis ad apices ramorum 3-verticillatis petiolatis,. petiolis 3-5 cm longis glabris; lamins late oblongo-ellipticis apice abrupte obtuse acuminatis vel aeutis basi acutate angustatis 17-23 cm longis 7-9.5 cm latis utrinque glabris nervulis tertiariis supra tenuiter subprominentibus; nervis lateralibus utroque latere 7-9; inflorescentiis masculis subimbellatis vel brevipedunculatis; pedunculis 2-3 cum 1-3 floribus, 1-12 mm longis sparse puberulis vel strigillosis; pedicellis 4-13 mm longis brevistrigillosis; calyce masculo profunde campanulato-cylindrico vel tubuloso apice truncato 8-11 mm longo 5-7 mm lato extus dense sericeo-pulverulenti apicem versus glabrato excepto intus sericeo; tubo corollae masculae 13 mm longo 5.5-7 mm lato extus retrorse dense strigoso intus glabro supra medium 2.5-3 mm villosulo 3 mm excepto, lobis 6 late lanceolatis vel ovato-lanceolatis subfalcatis subacutis 13.5-14 mm longis 5-6 mm latis; antheris 6, 9.5-10 mm longis appendiculo fere 1 mm longo instructis.