1. 淡いすみれ色や紅藤色の花の密集した総状花序をつける匍匐性の茎を持つ、北米西部とアジア北東部の植物(plant of western North America and northeastern Asia having prostrate stems with dense racemes of pale violet to lilac flowers)
2. 青い花がついた背の低い茎のヨーロッパの植物(European plant having low-lying stems with blue flowers)