Assertion: catalpa's flower | /r/MadeOf | numerous small winged seeds
Facets:
Source sentences:
text: Fertile flowers are followed by hard, round, flat, reddish brown, woody capsule, 3.2-5.8 cm (1.2-2.28 in) in length and 4-6 cm (1.5-2.3 in) in width containing numerous small winged seeds.