AREOLE

Areole

Areoles are an important diagnostic feature of cacti, and identify them as a family distinct from other succulent plants. The areoles on cacti are clearly visible; they generally appear as small light- to dark-colored bumps, out of which grow clusters of spines. The spines are not easily detachable, but on certain cacti, members of the subfamily Opuntioideae, smaller, detachable bristles, glochids, also grow out of the areoles and afford additional protection.

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areole

Noun

  1. The smallest enclosures created by the veins of a leaf.


The above text is a snippet from Wiktionary: areole
and as such is available under the Creative Commons Attribution/Share-Alike License.

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