Acer RyusenJapanese Maple 'Ryusen' Acer palmatum 'Ryusen' 'Ryusen' does something unusual among weeping Japanese maples. Most cascade types have finely cut, lacy foliage 'Ryusen' has full, palmate leaves, the kind more commonly seen on upright varieties, but on stiffly weeping branches that fall almost vertically downwards. The result is a tree with real presence and an elegantly unusual silhouette. Bright green through spring and summer, it turns brilliant