Plants 50–120 cm. Stem erect, branching, glabrous. Lower leaves petiolate; blade triangular-ovate, ternate-2–3-pinnate, secondary pinnae usually 8–10 pairs, crowded, terminal pinna caudate; ultimate segments ovate or lanceolate, 5–22 mm, much incised or shallowly pinnatifid. Umbels 6–9 cm across; peduncles 5–11 cm, strigose; bracts caducous; rays ca. 30, 2–3.5 cm, subequal, scabrous; bracteoles 8–10, linear, exceeding pedicels; umbellules 20–30-flowered. Calyx teeth obsolete. Petals white, obovate-cordate. Fruit oblong-obovate, ca. 4 mm, dorsal and intermediate ribs narrowly winged, lateral ribs broadly winged; vittae absent. Fl. Aug–Sep, fr. Sep–Oct.
Home