A new Trigonia from Suriname

Trigonia coppenamensis nov. spec. Liana; ramulis ferrugineotomentosis; petiolis 1.2—2.2 cm longis, tomentosis; laminis subcoriaceis, ellipticis vel obovato- vel oblongo-ellipticis, circiter 6—12 X 3—7 cm, apice acute-acuminatis, basi subrotundatis usque subcuneatis, supra tomentellis, subtus pilis flavescenticanescentibus tomentosis; nervis secundariis utroque 6—8 prope margine arcuato-adscendentibus; venis reticulatis, supra impressis; inflorescentiis terminalibus et axillaribus, rhachi ramisque dense ferrugineo-tomentosis; floribus in cymis plusminusve regularibus dispositis; pedunculis circiter 0.5 cm longis; pedicellis 0.3—0.5 cm longis; alabastro 0.3—0.5 cm longo; calicis lobis circiter 0.5 x 0.3 cm, obtuse rotundatis extus tomento cano-flavo indutae, intus glabris; petalis membranaceis, glabris, inaequalibus, petalo posteriore ad faucem sacculi ferrugineo-piloso; staminis fertilibus 6, filamentis fere usque ad apicem connatis; antheris 0.1 cm longis, apice subacutis; glandulis 2 vel 3 rotundatis vel irregulariter lobatis, ovario dense tomentoso; stylo glabro, stigmate albo, 0.1 cm diametro. Type; Maguire 24857, Suriname, Coppename R. Headwaters Schmidt Mt. km 10 in mixed wallaba forest. fl. Sept., in Utrecht herbarium (U.).