Shrub or small tree to 12 m tall with spreading crown and horizontal branches. Leaves 8-20 cm long, broadly ovate to ovate-oblong, often asymmetric, finely toothed all along margin. Flowers c. 0.8 cm across, white or cream, bisexual in branched clusters. Fruits 2-3 cm across, completely covered with long bristles, pale green ripening pale brown, splitting into 5 sections with 1-2 tiny wingless seeds per section.