Quince Stock Video Footage


quince

The tree grows 5 to 8 m (16 to 26 ft) high and 4 to 6 m (13 to 20 ft) wide. The fruit is 7 to 12 cm (3 to 5 in) long and 6 to 9 cm (2 to 4 in) across. The immature fruit is green with dense grey-white fine hair, most of which rubs off before maturity in late autumn when the fruit changes color to yellow with hard, strongly perfumed flesh. The leaves are alternately arranged, simple, 6–11 cm (2–4 in) long, with an entire margin and densely pubescent with fine white hairs. The flowers, produced in spring after the leaves, are white or pink, 5 cm (2 in) across, with five petals. The seeds contain nitriles, which are common in the seeds of the rose family. In the stomach, enzymes or stomach acid or both cause some of the nitriles to be hydrolyzed and produce hydrogen cyanide, which is a volatile gas. The seeds are only likely to be toxic if a large quantity is eaten.




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