Plants 30--40 cm tall, glabrous. Stems simple or branched, erect, smooth. Cauline leaf stipules oblong-auriculate, margin entire; petiole 2--5 cm; leaf blade simple, broadly ovate or orbicular, 3--6 cm wide, abaxially glandular and finely reticulate, base rounded or cordate, margin 2--4-lobed; veins raised abaxially, flat adaxially. Inflorescence paniculate, flat topped, many branched. Pedicel 4--9 mm. Sepals deciduous, white, elliptic, ca. 5 mm. Filament filiform; anther yellow. Carpels 20--30. Achenes sessile; body ellipsoid or cylindric, ca. 2.5 mm. Fl. Apr--Jul.
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