Nichol Turk's Head Cactus
Echinocactus horizonthalonius var. nicholii
The Nichol Turk's head cactus ranges
from blue-green to yellow-green. It is a barrel cactus, reaching
a maximum height of eighteen inches and diameter of eight inches.
The flowers are bright purple and bloom from April to May. This
cactus is very slow-growing, taking ten years to reach just two
inches. This species occurs in semi-arid Sonoran desert scrub.
It persists on limestones outcroppings and limestone derived soils
in incline terraces, saddles, and alluvial fans at elevations
from 2,400 to 4,100 feet.
Sonoran Desert Kids Coloring
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