Showy flower (5,4)
(Other definitions for lupin that I've seen before include "Nobody's child" , "Colourful plant of pea family" , "bloomer" , "Tall-spiked plant" , "See perennial" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">showy flower</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for dahlia that I've seen before include "Showy bloom" , "Flower -- pale violet or amethyst colour" , "In bed, root" , "Ali had (anag) - showy flower" , "Showy flower from Mexico" .)
(Another definition for tiger lily that I've seen is " Plant".)