stone apple or indian bael (aegle marmelos) unripe fruits on tree : (pix sanjiv shukla)

aegle marmelos bael bengal quince golden apple japanese bitter orange stone wood family rutaceae tree fruit globose thick hard rind crust shell covering woody smooth gray ripe yellow aromatic pulp seed woolly hairs sac adhesive transparent mucilage solidifies drying small cracked fibrous pleasant tangy astringent indian subcontinent southeast asia shrub sacred naturalized hindu buddhist deciduous mediumsized drooping green branch leaf trifoliate alternate dark flower yellowish sweetly scented cluster india pakistan bangladesh sri lanka nepal