Small trees infrequently to 20 m. tall, with rather stout flexuose ferruginous-hirsutulous branches. Leaves broadly oblong-elliptic grading toward obovate or ovate, the apex abruptly and narrowly subcaudate-acuminate, the base predom-inantly more or less deeply cordate, infrequently broadly obtuse or rounded in young leaves, entire to indefinitely undulate-serrate toward the tip, 15-40 cm. long, 7-15 cm. broad, firmly membranaceous, more or less ferruginous-hirtellous, par-ticularly beneath, the petiole rather stout, 5-10 mm. long; stipules narrowly ovate-lanceolate, long-acuminate, 2-4 cm. long, densely sericeous. Staminate heads about 1.0-1.5 cm. in diameter, the peduncle about 1 cm. long. Pistillate heads superficially similar to the staminate with about 25-50 flowers. Fruiting heads oblate-ovoid, about 5-6 cm. broad, the achenes about 1 cm. long.
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