Rose of some "Rosa sericea", four). These may be long enough to be visible when viewed from above and appear as green points alternating with the rounded petals. There are multiple superior ovaries that develop into achenes. Roses are insect-pollinated in nature. The aggregate fruit of the rose is a berry-like structure called a rose hip. Many of the domestic cultivars do not produce hips, as the flowers are so tightly petalled that they do not provide access for pollination. The hips of most species are red, but a few (e.g. "Rosa pimpinellifolia") have dark purple to black hips. Each hip
National Fruit Collection in case one is lost. National Fruit Collection The United Kingdom's National Fruit Collection is one of the largest collections of fruit trees and plants in the world. Over 2,040 varieties of apple, 502 of pear, 350 of plum, 322 of cherry and smaller collections of bush fruits, nuts and grapes are grown, in of orchards. It has been curated and maintained at Brogdale Farm, Brogdale, Kent since 1952 and is owned by the Department for Environment, Food and Rural Affairs (Defra). The University of Reading took over day-to-day maintenance of the collection in 2008. The collection includes two trees