| Field notes | Tree, 20 m tall, overhanging river, wood soft; bark, stems, and leaves with abundant latex, stem latex derived from pith and bark; resinous material present on bark in a large blob (ca. 10 cm across), leaves alternate, spiralled in clusters over apical ca. 50 cm of branch, secondary venetation tightly parallel, with secondaries and intersecondaries perpendicular to midrib; flowers in axillary clusters, pedicels ca. 2-3 cm long, sepals 6, greenish, petals 12? (or 6? deeply bifid), white, androecium united into a short cup, stamens 6, alternating with 6 white staminodes, style 1, entire |