branch thorn 2010-11-18T08:07:48Z A branch that is a sclerified, pointed outgrowth. A thorn is a short, pointed (PATO:0002258) woody structure, may be branched. PO:0025172 PO_GIT:221 barb (broad) barbel (broad) barbella (broad) barbellae (broad) barbellula (broad) barbellulae (broad) barbellule (broad) espina (Spanish, exact) plant_anatomy rwalls とげ（spine, prickle) (Japanese, exact)