"Polemoniaceae" . "Flaxflowered Ipomopsis" . "Magnoliophyta" . "Plantae" . "Ipomopsis longiflora" . "Magnoliopsida" . . "Ipomopsis longiflora (Torr.) V.E. Grant" . "Ericales" . . "(Torr.) V.E. Grant" . "Ipomopsis" . . . . . . . . . . . .