linum

from WordNet (r) 3.0 (2006)

Linum
    n 1: a herbaceous plant genus of the family Linaceae with small
         sessile leaves [syn: {Linum}, {genus Linum}]

from The Collaborative International Dictionary of English v.0.48

Linum \Li"num\ (l[imac]"n[u^]m), n. [L., flax.] (Bot.)
   A genus of herbaceous plants including the flax ({Linum
   usitatissimum}).
   [1913 Webster]