Plants ca. 1.5 m tall, glabrous. Cauline leaves petiolate; leaf blade of proximal ones 3-pinnate, ca. 30 cm; leaflet blade cuneate-obovate or narrowly obovate, 4--7 × 2.5--5.5 cm, base rounded or obtuse, apex 3-toothed or 3-lobed. Distal cauline leaf blade 9--15 cm; leaflets cuneate or cuneate-obovate, ca. 4 × 1.8 cm, base cuneate or obtuse, apex 3-toothed or 3-lobed. Inflorescence paniculate, ca. 25 cm, many flowered. Bracts narrowly linear or subulate, ca. 2.5 mm. Pedicel slender, 5--10 mm. Sepals 4, deciduous, narrowly ovate, ca. 4 mm. Stamens ca. 8 mm; filament filiform; anther linear, ca. 2.5 mm, apex inconspicuously mucronate. Carpels ca. 10; stigma triangular winged. Achenes slightly compressed. Fl. Jul.
Home