(1):

(n.) In South Africa, one of numerous acacias and mimosas.

(2):

(n.) The grapple plant.

(3):

(n.) The prickly ash.

(4):

(n.) The greenbrier.

(5):

(n.) Any of various species of hawthorn.

(6):

(n.) Any of several plants bearing thorns or stiff hooked appendages, which catch and tear the clothing,