Shrubs or trees, evergreen, often much-branched from base. Leaves: petiole present or absent; blade with prominent midrib and nearly imperceptible lateral veins on both surfaces. Inflorescences produced at distal ends of branchlets of previous season, developing before shoot growth of current season begins, 2–6 cm; bract caducous. Pedicels: bracteoles caducous, 2. Flowers: sepals broadly deltate to oblong, apex obtuse to rounded; petals spatulate to obovate, base weakly clawed, apex rounded; stamens 10, in 2 whorls of 5, outer whorl antisepalous; filaments basally flattened and petaloid; ovary 3–5-locular; ovules 1 per locule; stigma 3–5-lobed. Fruits samaralike, 2–5-winged, broadly ellipsoid. Seeds usually absent, sometimes 1–5.
se United States.
Species 1: se United States.