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Fertile flowers

Hobblebush Flowering

5-5-17 hobblebush 065At this time of year moist, rich woods are brilliantly lit up with the white flowers of a scraggly shrub called Hobblebush, whose name is derived from the tendency of its sprawling branches to trip people walking through the woods.

Hobblebush’s inflorescences consist of clusters of blossoms that together can measure six to eight inches across. The smaller flowers in the center (still buds in this photo) are fertile, possessing both stamens and pistils, while the larger flowers in the outermost ring are sterile. The inner fertile flowers produce fruit if pollinated and fertilized. The larger outer flowers, being sterile, do not produce fruit — their sole function is to attract insects to pollinate the central mass of fertile flowers.

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