Monographs Details: Trigonia rotundifolia Lleras
Authority: Lleras, Eduardo. 1978. Trigoniaceae. Fl. Neotrop. Monogr. 19: 1-73. (Published by NYBG Press)
Family:Trigoniaceae
Description:Latin Diagnosis - Rami juveniles adpressi-lanati, glabrescentes, lenticellati. Stipulae caducae (nv). Folia opposita, petiolo 0.7-3.0 mm longo, ca 1.0 mm crasso, adpresso-lanato, glabrescenti; laminae rotundae, 6.0-15.0 cm longae, 5.0-11.0 cm latae, chartaceae, margine integrae, apice rotundato usque emarginato varianti, basi obtusa, supra glabrae, infra adpresso-lanatae; costa media supra plana, glabra, infra prominula, adpressa-lanata, costis secundariis 6-9-jugis, eucamptodromis. Inflorescentiae in paniculis terminalibus vel axillaribus dispositae, 5.0-15.0 cm longae. Flores in cincinnos 1-2 (raro 3) dispositi; pedunculi 0.0-1.5 mm longi, 0.5-0.7 mm crassi, strigoso-tomentosi, bracteis 2.5-3.0 mm longis, ca 0.4 mm latis, strigosis; pedicelli 1.0-2.5 longi, 0.4-0.6 mm crassi, strigoso-tomentosi, bracteolis subulatis, 1.0-2.0 mm longis, strigosis; sepala ovata vel leviter oblonga, 3.5-4.2 mm longa, 1.5-2.0 mm lata, strigoso-tomentosa; vexillum 5.0-5.5 mm longum, 2.0-2.8 latum, usque ad medium longitudinaliter saccatum, apice revolutum, intus barbato-tomentosum, alae concavo-spathulatae, 5.0-5.2 longae, 1.0-1.5 mm latae, ad basin barbatae, carinae petala saccata, 3.5-4.0 mm longa, 2.0-2.2 mm lata, apice cristato; stamina 9-10, fertilia 6-7, sterilia 34, appendiculata, filamentis ad medium connatis, 1.8-2.2 mm longis, antheris oblongis, 0.8-1.1 mm longis, (0.3-)0.4-0.6 mm latis, castaneis; glandulae 2, bilobae, reniformes, ca 0.5 mm longae, 0.8 mm latae, lanatae; stylus erectus, strigosus, 1.8-2.1 mm longus, stigmate circulari, albo, ca 0.4 mm lato; ovarium subglobosum, ca 1.0 mm diametro, 4-loculare, ovulis in quoque loculo numerosis. Fructus mihi ignotus.

Discussion:This distinctive species is characterized by its almost round leaves, and especially by the 4-locular ovary. At present it is impossible to establish its relationships within the genus, as no fruiting material is available for comparison.
Distribution:Brazil South America| Rio de Janeiro Brazil South America|