Complex sentence: The longevity of an individual flower is 2--3 d, when the plant also starts to develop small, yellow to yellow-red, egg-shaped, fleshy, and multiseeded fruits, which mature from September to October.
Split into simpler sentences: The longevity of an individual flower is 2--3 days. At this time, the plant also starts to develop small, yellow to yellow-red, egg-shaped, fleshy, and multi-seeded fruits, which mature in September to October.