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Large branches are known as boughs and small branches are known as twigs. [3] The term twig usually refers to a terminus, while bough refers only to branches coming directly from the trunk. Due to a broad range of species of trees, branches and twigs can be found in many different shapes and sizes.
A leaf (pl.: leaves) is a principal appendage of the stem of a vascular plant, [1] usually borne laterally above ground and specialized for photosynthesis.Leaves are collectively called foliage, as in "autumn foliage", [2] [3] while the leaves, stem, flower, and fruit collectively form the shoot system. [4]
A round leaf where the petiole attaches near the center, e.g. a lotus leaf perfoliate: perfoliatus: stem attachment: With the leaf blade surrounding the stem such that the stem appears to pass through the leaf perforate: perforatus: leaf surface features Many holes, or perforations, on leaf surface. Compare with fenestrate. pinnately lobed
Leaf axils – the space created between a leaf and its branch. This is especially pronounced on monocots like the bromeliads. Leaf buds – buds that produces leafy shoots. Leaf scar – the mark left on a branch from the previous location of a bud or leaf.
Lateral shoots/branches are often numerous on larger vegetation such as certain trees or bushes. A lateral shoot , commonly known as a branch , is a part of a plant's shoot system that develops from axillary buds on the stem's surface, extending laterally from the plant's stem .
2. (of a leaf) Having arched leaf tissue between each lateral vein, i.e. the veins appear depressed in the leaf surface. burl A deformation or knot in the branches or trunk of a tree, sometimes sought after in woodworking. [24] burr 1. A prickly fruit. 2.
Prickles on a blackberry branch. In plant morphology, thorns, spines, and prickles, and in general spinose structures (sometimes called spinose teeth or spinose apical processes), are hard, rigid extensions or modifications of leaves, roots, stems, or buds with sharp, stiff ends, and generally serve the same function: physically defending plants against herbivory.
Looking up into the branch structure of a Pinus sylvestris tree Animation of zooming into the leaf of a Sequoia sempervirens (Californian Redwood). Plant morphology "represents a study of the development, form, and structure of plants, and, by implication, an attempt to interpret these on the basis of similarity of plan and origin". [4]