Glabrous trees. Leaves alternate, lanceolate to ovate-lanceolate. Inflorescences panicu-loid, many-flowered, terminal, without bracts. Flowers on a short stalk. Calyx 5-lobed, imbricate. Corolla yellow, with a short tube and 5 oblong, rounded, imbricate lobes sometimes slightly different in size. Stamens 5, exserted from the throat, with sagittate anthers. Ovary undivided, bilocular, each locule with a small upright and a bigger pendulous ovule; style divided to the base into two branches, each bearing a capitate stigma. Fruit broadly elliptic to suborbicular, with a wide, cartilaginous, radially veined wing, one-seeded. Seed elongate. Fig. 18.
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