Shrub, up to 1.5 m. tall, the younger stems flattened and two-edged, furfur-aceous when young, later glabrous; leaves dimorphic, the larger sessile, ovate-lanceolate, 1-2 dm. long, 3-7 cm. wide, acuminate, entire, obtuse or rounded at base, 3-nerved, glabrous and shining above, puberulent on the veins beneath, the smaller leaves lanceolate, 1-3 cm. long, soon deciduous; inflorescences long-peduncled, much-branched, many-flowered, up to 18 cm. long; hypanthium campanulate, 3 mm. long; sepals scarcely differentiated, the exterior teeth stoutly subulate, scarcely surpassing the sepals; anthers linear, the connective prolonged briefly below the filament into a minute subrotund dorsal appendage.
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