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Leafsnap is a series of electronic field guides being developed by researchers from Columbia University, the University of Maryland, and the Smithsonian Institution. The free mobile apps use visual recognition software to help identify tree species from photographs of their leaves.
Leafsnap is a series of electronic field guides being developed to demonstrate this new technology. This free mobile app helps identify tree species from photographs of their leaves and contains beautiful high-resolution images of their flowers, fruits, petioles, seeds, and bark.
Leafsnap Dataset. To promote further research in leaf recognition, we are releasing the Leafsnap dataset, which consists of images of leaves taken from two different sources, as well as their automatically-generated segmentations: 23147 Lab images, consisting of high-quality images taken of pressed leaves, from the Smithsonian collection.
This project was supported in part by NSF Grant IIS-03-25867 (ITR: An Electronic Field Guide: Plant Exploration and Discovery in the 21st Century) and by the Washington Biologists' Field Club.
Silver Linden Tilia tomentosa Native to Europe and Asia, this linden has been introduced into the United States and Canada, where it is planted for its attractive, symmetrical form. The deciduous trees grow 20-35 m in height and produce clusters of pale yellow flowers in the summer. Its nectar contains sugars that cannot be digested […]
Contact us at [email protected] or follow @leafsnap on Twitter! View our Privacy Policy . This project was supported in part by NSF Grant IIS-03-25867 (ITR: An Electronic Field Guide: Plant Exploration and Discovery in the 21st Century) and by the Washington Biologists' Field Club.
White Ash Fraxinus americana This ash is native to eastern North America. The compound leaves are 20-30 cm long and turn red, yellow, or purple in autumn. Historically, it has been reported that hunters carried White Ash leaves in their pockets to prevent bites from rattlesnakes; however, the value of this plant as a snakebite […]
Malus pumila. This 15 m tall tree is native to Europe and Asia, but is naturalized throughout North America where it is cultivated for its fruits; red or yellow apples appear in the fall.
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In late spring, perfect white 5-lobed flowers bloom that are .8 cm (.33 in) across and are borne on short, sturdy pedicels in corymbs (2-5 in) wide. The round orange-red pomes 1.3 cm (.5 in) in diameter are displayed in showy, dense clusters in early and late fall. Fruits have 1 or 2 viable seeds.