Cardiospermum grandiflorum

Cardiospermum halicacabum

biternate leaves, 18 cm long, younger stems densely hairy biternate leaves, 4–12 cm long, younger stems finely hairy to almost hairless
flowers 6–11 mm long, petals 8–9 mm flowers 3–4 mm long, petals 2–3 mm, inflorescence few-flowered
fruits 4,5–7 cm, broadest in the middle fruits 1–3 cm, broadest at apex

Photo's C. halicacabum 1: R. & A. Heath; 2 & 3: H. Zell Version April 2021