Lonicera involucrata
（重定向自Twinberry）
Lonicera involucrata (bearberry honeysuckle, bracted honeysuckle, twinberry honeysuckle, Californian Honeysuckle, twin-berry, black twinberry) is a species of honeysuckle native to northern and western North America, from southern Alaska east across boreal Canada to Quebec, and south through the western United States to California, and to Chihuahua in northwestern Mexico. It grows at elevations from sea level to 2,900 m.