Fig. 2From: Responsiveness of cats (Felidae) to silver vine (Actinidia polygama), Tatarian honeysuckle (Lonicera tatarica), valerian (Valeriana officinalis) and catnip (Nepeta cataria)Photographs of several of the plant materials used in this study. a Tatarian honeysuckle wood (10Â cm long, weighing 15 g). b A dried silver vine fruit gall, also referred to as deformed fruit (2Â cm long, weighing 1.5 g). c A dried normal silver vine fruit (2.5Â cm long, weighing 0.5 g)Back to article page