Tree up to 20m tall, dioecious. Branchlets 3-10(-15) mm thick, greyish- to pale yellow-appressed-puberulous to -subsericeous. Stipules 2-4 cm long, yellow- to greyish-sericeous; petiole 0.5-1.5 cm long; blade coriaceous to chartaceous, narrowly elliptic, (12-)20-50 x (5-)7-24 cm, apex acuminate to acute, base (sub)cordate (to acute), margin entire to dentate, sparsely appressed-puberulous above, on the main veins yellowish-subsericeous to appressed-puberulous beneath, pluricellular hairsoblongoid-capitate; secondary veins (10-)15-22(-28) pairs, tertiary venation scalariform. Staminate inflorescences 0.5-1.5 cm in diam.; peduncle 0.4-2 cm long; perianth 0.8-1.8 mm long, tepals 4, free. Pistillate inflorescences 0.8-1.5 cm in diam.; peduncle 0.3-1 cm long; perianth 3-6 mm long, 4-dentate to -fid; stigmas tongue-shaped, 1(-2) mm long. Infructescences discoid to hemispherical, 2.5-4 cm in diam.; inner involucral bracts oval to triangular.
12 miles ENE of mouth of the Onoro Creek present, Amazon Basin present, French Guiana present, Guyana present, eastern Surinam present
Amazon Basin to French Guiana, eastern Surinam, and also in Guyana (12 miles ENE of mouth of the Onoro Creek).
English: amap-purubumnak, furufifi, kaluma kalate, tuukwanru kamwi, yi'wapiso, yuwa'pisi