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Our greeting cards are 5" x 7" in size and are produced on digital offset printers using 100 lb. paper stock. Each card is coated with a UV protectant on the outside surface which produces a semi-gloss finish. The inside of each card has a matte white finish and can be customized with your own message up to 500 characters in length. Each card comes with a white envelope for mailing or gift giving.
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An oak apple on a twig of English oak (Quercus robur), in May, UK. The picture shows a gall developing from a dormant leaf bud, with a normal bud to... more
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An oak apple on a twig of English oak (Quercus robur), in May, UK. The picture shows a gall developing from a dormant leaf bud, with a normal bud to its right. The gall retains remnants of the scales that covered the bud, as a cone-like tip (left, brown). The gall is segmented; this results from the structure of the bud before the gall started to grow. The gall tissue (white with a red covering) is soft and spongy at this stage.Oak apples are produced when an asexual female gall wasp, Biorhiza pallida, lays eggs inside a dormant bud. She drills into the bud with her ovipositor to make a series of tunnels. She then lays up to 100 eggs in each, a process that can take several hours. The eggs develop into larvae, then male and female wasps. These sexual females lay eggs in the roots of the tree, also producing galls. The root galls give rise to asexual females, and the cycle is complete.
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