
Stephanocereus is genus of cactus from Brazil, related to Arrojadoa. This genus is monotypic with the sole species Stephanocereus leucostele.
GENUS
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Stephanocereus is genus of cactus from Brazil, related to Arrojadoa. This genus is monotypic with the sole species Stephanocereus leucostele.
== Description == It typically grows as a single, unbranched stem that can reach heights of 2 to 5 meters. The bluish-green stems, which are segmented and have a diameter of , with 13 to 18 ribs. Ribs are triangular with rounded edges around high. The areoles are spaced 12– apart and bear spines. Each areole has 1 to 6 stiff central spines, measuring long and ranging in color from white to golden yellow. Additionally, there are 12 to 16 radial spines, which are white and long. The plant produces tubular to bell-shaped flowers that are white and long. These flowers occasionally emerge from the ring-shaped cephalium, a densely woolly and hairy structure that forms at the end of each growth period and segments the stem. The fruits are spherical or slightly elongated, initially green and later turning blue, and .
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