Assertion: crocus's flower | /r/HasProperty | needed
Facets:
Source sentences:
text: One freshly picked crocus flower yields an average 30 mg (0.0011 oz) of fresh saffron or 7 mg (0.00025 oz) dried; roughly 150 flowers yield 1 g (0.035 oz) of dry saffron threads; to produce 12 g (0.42 oz) of dried saffron, 1 lb (0.45 kg) of flowers are needed; 1 lb (0.45 kg) of fresh saffron yields 0.2 oz (5.7 g) of dried spice.