From WordNet (r) 2.0 (August 2003) [wn]:
barbellate
adj : having or covered with protective barbs or quills or spines
or thorns or setae etc.; "a horse with a short bristly
mane"; "bristly shrubs"; "burred fruits"; "setaceous
whiskers" [syn: barbed, briary, briery,
bristled, bristly, burred, burry, prickly,
setose, setaceous, spiny, thorny]
From The Collaborative International Dictionary of English v.0.48 [gcide]:
Barbellate \Bar"bel*late\ (b[aum]r"b[e^]l*l[asl]t), a. [See 1st
Barb.] (Bot.)
Having short, stiff hairs, often barbed at the point. --Gray.
[1913 Webster]