Acanaceous
The Century Dictionary and Cyclopedia
In
botany
, armed with prickles: said of some rigid prickly plants, as the pineapple.
Wiktionary, Creative Commons Attribution/Share-Alike License
adjective.
Of or
pertaining
to something bearing
prickles
or
thistles
; something
prickly
.
Word Usage
"Another peculiarity of these plants is that they are acanaceous; covered all over with sharp thorns and needles."