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A deformation or knot in the branches or trunk of a tree, sometimes sought after in woodworking. [24] burr 1. A prickly fruit. 2. A rough or prickly propagule consisting of a seed or fruit and associated floral parts or bract s. buttress root A root growing from an above-ground stem or trunk, and providing support, e.g. commonly of Ficus ...
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.
Yellow and white flower colour variant, in late bud in the Beeliar Regional Park. Banksia menziesii grows either as a gnarled tree to 10 m (33 ft), or a lower spreading 1–3 metres (3.3–9.8 ft) shrub, generally encountered at its northern limits in the vicinity of Eneabba-Mount Adams; thus, it declines steadily in size as the climate becomes warmer and drier further north. [2]
Burrs on a tree trunk in Norfolk, England. A burl (American English) or burr (British English) is a tree growth in which the grain has grown in a deformed manner. It is commonly found in the form of a rounded outgrowth on a tree trunk or branch that is filled with small knots from dormant buds. Burl formation is typically a result of some form ...
This glossary of biology terms is a list of definitions of fundamental terms and concepts used in biology, the study of life and of living organisms.It is intended as introductory material for novices; for more specific and technical definitions from sub-disciplines and related fields, see Glossary of cell biology, Glossary of genetics, Glossary of evolutionary biology, Glossary of ecology ...
The stunted and gnarled cherry tree that became an unlikely social media celebrity was cut down after the 2024 National Cherry Blossom Festival, along with more than 100 other trees, to make way ...
Banksia serrata usually grows as a gnarled and misshapen tree up to 16 m (50 ft) tall, although in some coastal habitats it grows as a shrub of 1–3 m (3–10 ft), and on exposed coastal cliffs it has even been recorded as a prostrate shrub. As a tree it usually has a single, stout trunk with warty, knobbly grey bark up to 3 cm (1.2 in) thick.
Besides carrying the weight of horizontal boughs, when the main trunk is destroyed due to ageing or accident, the established prop-roots support the remaining plant-body, thus helping in vegetative reproduction. E.g. Ficus benghalensis. The Great Banyan Tree at IBG Kolkata is an example how prop-roots help in vegetative reproduction.