from The Century Dictionary.
- In botany, armed with prickles: said of some rigid prickly plants, as the pineapple.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- adjective Of or
pertainingto something bearing pricklesor thistles; something prickly.
Sorry, no etymologies found.
Another peculiarity of these plants is that they are acanaceous; covered all over with sharp thorns and needles.