- In botany,
areoles are
small light- to dark-colored
bumps on
cacti out of
which grow
clusters of spines.
Areoles are
important diagnostic features of...
- areola or
areole in Wiktionary, the free dictionary. An
areola is a
small colored area of skin,
usually around the
nipple Areola or
areole (Latin for...
-
structures called areoles, a kind of
highly reduced branch.
Areoles are an
identifying feature of cacti. As well as spines,
areoles give rise to flowers...
-
areoles to
almost as wide as the
areole.: 220 They can be
pointlike to round,
polygonal to
stellate radiating fissures, and one to many per
areole....
- Echinocactus. However, both
Pereskia and
Echinocactus have
spines produced from
areoles (highly
specialised pad-like structures)
suggesting that the two genera...
-
found in
areoles of Opuntia). The
spines of
Fouquieria splendens develop from the leaf petioles. Sti****
spines on Vac****ia xanthophloea.
Areoles and spines...
- are narrow, 3–5 mm across.
Spines 0-1 (occasionally as many as 3) at each
areole.
Flowers open in the late
afternoon and are pale
yellow or
greenish yellow...
- its
overall morphology,
close examination shows spines developing from
areoles, and the
distinctive floral cup of the
cactus family. The four species...
- ribs,
typically six to eight,
occasionally five or nine. The
circular areoles are 6 mm (0.2 in) across, grey or dark brown, with needle-like spines,...
- plant's
leaves have been
reduced to spines, 6 to 12 of
which grow from each
areole.
Young branches are
covered with 2 to 3 cm (3⁄4 to 1+1⁄6 inches) silvery-yellow...
