The World Flora Online

tree

Small trees up to 15 m. high, the upper branches geniculate, usually glabrous, reddish to grayish brown. Leaves subsessile to petiolate, the petioles canaliculate and up to 2 cm. long; blades oblong, mostly 2.5-4 times as long as broad, 15-25 (-30) cm. long, 4-9 cm. wide, apically acute to acuminate, basally rounded to acute, glabrous except for the strigose midribs and occasionally the lateral veins below, with 18-30 pairs of lateral veins. Staminate inflorescences of fascicles closely approximated to the rhachises forming compact spikes up to 1 cm. broad, the spikes simply or racemosely disposed; perianth in one series of 3 linear and 3 narrowly deltoid tepals 3-4 mm. long, connate for about half their length; filaments 4-6 mm. long, adnate to the tepals for 1.5-2 mm.; anthers 1-1.5 mm. long. Pistillate flowers with pedicels 2.5-9 mm. long, the sepals becoming 30-50 mm. long, the free wings 2-3 times as long as the tubes; wings oblanceolate with blunt to acute apices, 3-nerved, plicate just above the tube, the tubes more pubes- cent without than within; petals 12-18 mm. long, adnate to the tube for 2-5 mm., occasionally auriculate or tubular near the peak of adnation; ovary trigonous; styles 3, 2-5 mm. long, their inner surfaces stigmatic. Achenes 8-12 mm. long, 4-5 mm. broad, yellowish-brown; facies ovate, not sulcate, often strongly veined or verrucose. blunt to acute apices, 3-nerved, plicate just above the tube, the tubes more pubes- cent without than within; petals 12-18 mm. long, adnate to the tube for 2-5 mm., occasionally auriculate or tubular near the peak of adnation; ovary trigonous; styles 3, 2-5 mm. long, their inner surfaces stigmatic. Achenes 8-12 mm. long, 4-5 mm. broad, yellowish-brown; facies ovate, not sulcate, often strongly veined or verrucose.