Flowers and bristles on cactus

Flowers and bristles on cactus

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Credit: J.C. REVY, ISM/SCIENCE PHOTO LIBRARY

Caption: Ferocactus stainesii. View of the red flowers and spines seen on the cactus Ferocactus stainesii. Cacti of the genus Ferocactus are typical of the desert vegetation of Mexico and south-western USA. The red-coloured spines of this plant are modified leaves forming a sharp-pointed structure. These perform the dual function of protecting the cactus from herbivores and reducing the moisture loss associated with normal plant leaves. The flowers of a cactus are comparatively primitive, having large numbers of stamens, petals, sepals and bracts arranged spirally. Cacti are an example of succulent plants; those that can store water in swollen tissue and survive in desert regions.

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Keywords: arid adapted, botany, bristle, cactus, ferocactus, ferocactus stain, ferocactus stainesii, flower, nature, plant, spine, spines, succulent, succulent plants, type, wild flowers

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