Stems 5-15 dm, (stout). Cauline leaves: petiole 6-15 cm (shorter distally); blade deltate to lanceolate, lyrate, or sinuately lobed, or (distally) narrowly lanceolate, 5-20 cm × 30-70 mm (smaller distally), margins entire or subapically denticulate, apex acute. Fruiting pedicels 5-12 mm, (thicker than gynophore). Flowers: sepals yellowish green, 4-6 × 1-1.5 mm; petals white, 5-7 mm, blade 2.5-4 × 0.5-1 mm, claw 2-3.5 × 1-1.7 mm, margins dentate or incised (sublaciniate); filaments 5-9 mm; anthers 2.5-3.5 mm; gynophore (1-) 2-8(-10) mm. Fruits divaricate, 4-13 cm × 1.5-2.5 mm; style obsolete or, rarely, to 0.5 mm. Seeds brown, 3-5 × 1.7-2.2 mm; wing to 0.7 mm wide.
Home