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The Rose of Hildesheim climbs on the apse of Hildesheim Cathedral. The Thousand-year Rose (German: Tausendjähriger Rosenstock, lit. 'Thousand-year-old Rosebush'), also known as the Rose of Hildesheim, grows on the apse of the Hildesheim Cathedral, a Catholic cathedral in Hildesheim, Germany, that is dedicated to the Assumption of Mary.
As its name suggests, it is the largest species of rose, climbing 20 m or more into the crowns of other trees by means of its stout, hooked thorns, and with a trunk up to 50 cm diameter. The leaves are semi-evergreen, 15–25 cm long, pinnate, with usually 7 leaflets, each leaflet 4–8 cm long.
Two main opposing forces affect a tree's height; one pushes it upward while the other holds it down. By analyzing the interplay between these forces in coast redwoods (Sequoia sempervirens), a team of biologists led by George Koch of Northern Arizona University calculated the theoretical maximum tree height or the point at which opposing forces balance out and a tree stops growing.
All 12 of the world's largest trees are giant sequoias. Grogan's Fault, the largest living Coast redwood, would rank as the 13th largest living tree. Tāne Mahuta, the largest living tree outside of California, would rank within the top 100 largest living trees.
Rafflesia arnoldii, the world largest flower in Bengkulu - Indonesia. With a flower growing up to 1.5 m (5 ft) in diameter, 3–4 m (10–13 ft) in perimeter and 10–12 kg (22–26 lb) in weight, Rafflesia arnoldii is the world's current largest individual flower. They grow in the forests of Sumatra and Borneo islands of Indonesia.
General Sherman appears to be holding up well (not bad for a 2,200-year-old), but because of pests and climate change, the largest tree in the world needs a checkup
Rosa banksiae, common names Lady Banks' rose, or just Banks' rose, is a species of flowering plant in the rose family, native to central and western China, in the provinces of Gansu, Guizhou, Henan, Hubei, Jiangsu, Sichuan and Yunnan, at altitudes of 500–2,200 m (1,640–7,218 ft). [3]
The conifer division of plants includes the tallest organism, and the largest single-stemmed plants by wood volume, wood mass, and main stem circumference.The largest by wood volume and mass is the giant sequoia (Sequoiadendron giganteum), native to Sierra Nevada and California; it grows to an average height of 70–85 m (230–279 ft) and 5–7 m (16–23 ft) in diameter. [1]