blue trailing lobelia sapphire flowers or edging lobelia, garden lobelia in st. gallen, switzerland photo. its latin name is lobel

africa african arboretum background bloom blossom blue botanical botany bouquet breed bunch campanulaceae cape cultivar cut dark eastern edging erinus flora floral flower flowers gallen garden group hybrid lobelia lobelie malawi many namibia natural nature pendula petal photo plant purple saint saphir sapphire south swiss switzerland trailing violet