scandent, quite glabrous; leaves petiolate, somewhat hastate, unequally and coarsely toothed or multilobulate, the lobules broadly deltoid, acute, with rounded interspaces; corymb loose, fastigiate, many-headed, the pedicels long, slender, nearly nude; inv. of 5–7 scales, half as long as the disc, cylindrical, truncate and scarcely calycled at base; disc-fl. 10–12, rays 3–6, spreading; achenes glabrous. A half herbaceous climber. Petioles slender, 1–2 inches long. Leaves 1 1/2–2 inches long, 1–1 1/2 inch wide, angle-lobulate, the angles salient, with rounded interspaces. Corymb many-headed, but loose, sessile or short-peduncled. Inv. 4 lines long; disc-fl. fully 8 lines. Rays equalling the inv., spreading, 4-lined.