ロベリア・スペキオサはキキョウ科ミゾカクシ属の栽培種。北アメリカ原産の赤花のベニバナサワギキョウLobelia cardinalis（L. fulgens）系統の品種 と青花のオオロベリアソウLobelia siphiliticaとの交配種であり、多数の園芸品種が作り出され、宿根ロベリアの名で流通している。
　多年草、高さ60～90㎝。葉は春にロゼットを作り、狭卵形、花は頂生する穂状花序につき、長さ2.5～5㎝、2唇形、ラベンダー色、ピンク色、サーモン色、赤色、青色、紫色。花期は7～9月。
品種)　'Alba' , 'Anne' , 'Blauzauber' , 'Brightness' 'Butterfly Blue' , 'Butterfly Rose' , 'Cherry Ripe' , 'Cinnabar' , 'Cinnabar Deep Red' , 'Cinnabar Red' , 'Cinnabar Rose' , Compliment Deep Red , Compliment Purple , Compliment Scarlet , 'Cranberry Crown' , 'Cranberry Crush' , Crimson Princess = 'Gencrim' (PBR) (Princess Series) , 'Dark Crusader' , 'Eastgrove Pink' , 'Fan Blau' (Fan Series) , 'Fan Burgundy' (Fan Series) , Fan Deep Red , Fan Deep Rose , 'Fan Lachs' (Fan Series) , Fan Orchid Rose , 'Fan Orchidrosa' (Fan Series) , 'Fan Purple' (Fan Series) , Fan Salmon , Fan Scarlet , 'Fan Scharlach' (Fan Series) , 'Fan Tiefrot' (Fan Series) , 'Fan Zinnoberrosa' (Fan Series) , 'Gencrim' (PBR) , 'Genlet'(PBR) , 'Genross' (PBR) , 'Hadspen Purple' (PBR) , 'Kimbridge Beet' , 'Kompliment Blau' (Kompliment Series) , 'Kompliment Pale Pink' (Kompliment Series) , 'Kompliment Purpur' (Kompliment Series) , 'Kompliment Scharlach' (Kompliment Series) , 'Kompliment Tiefrot' (Kompliment Series) , 'Kompliment Violet' , 'Monet Moment' , 'Passionate Pink' , 'Pauline' , 'Pink Elephant' , 'Pink Flamingo' , 'Purple Towers' , 'Red Velvet' , Rose Princess = 'Genross'(PBR) (Princess Series) , 'Rosenkavalier' , 'Rosy Pink' , 'Royal Purple' , 'Ruby Slippers' , 'Russian Princess' , Scarlet Princess = 'Genlet' (PBR) (Princess Series) , 'Sparkle deVine , 'Sparkling Burgundy' , 'Sparkling Ruby' , 'Starship Deep Rose' , 'Starship Scarlet' , 'Tania' , Tresahor Series , 'Vedrariensis' , 'Wildwood Splendor' , 'Will Scarlet' , 'Wisley'