Click the number at the start of a key lead to highlight both that lead and its corresponding lead. Click again to show only the two highlighted leads. Click a third time to return to the full key with the selected leads still highlighted.
2 Fruit a samara (flat and winged); primary lateral veins mostly parallel and unforked to the leaf margin | |
2 Fruit nutlike (globular, with or without fleshy protuberances); primary lateral veins either mostly parallel and unforked to the leaf margin, or mostly forking before reaching the margin. | |
3 Fruit lacking fleshy protuberances (though irregular in shape); primary lateral veins mostly parallel and unforked to the leaf margin; [planted horticulturally, rarely persisting or spreading weakly] |