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Two trees may grow to their mature size adjacent to each other and seemingly grow together or conjoin, demonstrating inosculation. These may be of the same species or even of different genera or families, depending on whether the two trees have become truly grafted together (once the cambium of two trees touches, they self-graft and grow together).
The base of a Yellow Birch trunk. In botany, the trunk (or bole) is the stem and main wooden axis of a tree, [1] which is an important feature in tree identification, and which often differs markedly from the bottom of the trunk to the top, depending on the species. The trunk is the most important part of the tree for timber production.
Tilia cordata is a deciduous tree growing to 20–40 m (66–131 ft) tall, diameter 1/3 to 1/2 the height, with a trunk up to 1 m (3 ft) diameter. The largest known trunk circumference was a specimen in Närke , Sweden, that measured 8.35 metres (27.4 ft) circumference at chest height.
Tree stump, about 37 years after falling. After a tree has been cut and has fallen, the stump or tree stump is usually a small remaining portion of the trunk with the roots still in the ground. Stumps may show the age-defining rings of a tree. The study of these rings is known as dendrochronology. Stump sculpture by German artist Eberhard Bosslet
The diameter of the trunk at breast height is often 1.5 m (4 ft 11 in), but again, outstanding trees have been recorded up to 1.75 m (5 ft 9 in). [9] The trunk is usually straight and monopodial, but very rarely is forked. [10] The crown is broadly conic, while the brownish bark is scaly and deeply fissured, especially with age. [5]
Tree trunks not only vary in shape from top to bottom, but also vary in shape over time. The overall shape of a tree trunk can be defined as a form factor: V = F · A · H, where A = area of the base at a designated height (such as 4.5 feet), H = full height of tree, and F = the form factor. [27]
Bombax ceiba, like other trees of the genus Bombax, is commonly known as cotton tree. More specifically, it is sometimes known as Malabar silk-cotton tree ; red silk-cotton ; red cotton tree ; or ambiguously as silk-cotton or kapok , [ 3 ] both of which may also refer to Ceiba pentandra .
Cassine peragua, also known as Cape saffron, bastard saffron and forest spoonwood, is a medium-sized tree with fragrant flowers, decorative fruits and a saffron-coloured trunk. It is indigenous to the Afro-montane forests of South Africa. [2]