- To 2.5m tall, multiple from base, branching, woody.
- Opposite, 5-7 lobed, petiolate, margins serrate, tomentose below, sparsely hairy to glabrous above, to +12cm broad, +15cm long.
- Dense, terminal panicle to +30cm long. Peduncle and axis puberulent to tomentose.
- Outer flowers of inflorescence with 4 white, petaloid sepals (petals absent), sterile, to +2.5cm broad. Inner flowers small, with greenish sepals, fertile. Stamens 8-10, spreading. Filaments greenish-white, to 8mm long, glabrous. Anthers biglobose, whitish, 1.2mm broad.
- June - August.
- Native to southeastern U.S. (Florida, Georgia, Mississippi).
- This species is unmistakable while flowering because of the large panicles it produces. There are around 7-8 cultivars on the market. It prefers well drained yet cool soil.
The species name means "Oak-leaved" and the leaves do slightly resemble those of the Red Oak group.
Photographs taken at the Kansas City Zoo, 7-9-00.