Crossword puzzle clue "prickly flowers"

a small space in a network of leaf veins, also AREOLA

any prickly papilionaceous shrub of the genus Ulex, with yellow flowers, also GOSSE

PINECONE, a cone-shaped fruit of a pine tree

a prickly plant with toothed leaves, also ACANTH, ACANTHA

any member of the genus Aloe, consisting mostly of trees and shrubs of the lily family

the dust or remains of anything burnt