othonna

from WordNet (r) 3.0 (2006)

othonna
    n 1: a South African plant of the genus Othonna having smooth
         often fleshy leaves and heads of yellow flowers

from The Collaborative International Dictionary of English v.0.48

othonna \othonna\ n.
   A South African plant of the genus {Othonna} having smooth
   often fleshy leaves and heads of yellow flowers.
   [WordNet 1.5]