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Leaves of most plants include a flat structure called the blade or lamina supported by a network of veins, a petiole and a leaf base; [1] but not all leaves are flat, some are cylindrical. [ citation needed ] Leaves may be simple, with a single leaf blade, or compound, with several leaflets .
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]
cow itch tree; primrose tree; Norfolk Island hibiscus; pyramid tree Malvaceae (mallow family) Thespesia: thespesia trees; Thespesia populnea: portia tree; milo Malvaceae (mallow family) Melastomataceae: melastome family; Tetrazygia: tetrazygia trees; Tetrazygia bicolor: Florida tetrazygia Melastomataceae (melastome family) Meliaceae: mahogany ...
When structures in different species are believed to exist and develop as a result of common, inherited genetic pathways, those structures are termed homologous. For example, the leaves of pine, oak, and cabbage all look very different, but share certain basic structures and arrangement of parts. The homology of leaves is an easy conclusion to ...
Dendrology (Ancient Greek: δένδρον, dendron, "tree"; and Ancient Greek: -λογία, -logia, science of or study of) or xylology (Ancient Greek: ξύλον, ksulon, "wood") is the science and study of woody plants (trees, shrubs, and lianas), specifically, their taxonomic classifications. [1]
Examples of trees with whorled phyllotaxis are Brabejum stellatifolium [4] and the related genus Macadamia. [5] A whorl can occur as a basal structure where all the leaves are attached at the base of the shoot and the internodes are small or nonexistent. A basal whorl with a large number of leaves spread out in a circle is called a rosette.
This is an incomplete list of plants with trifoliate leaves. Trifoliate leaves (also known as trifoliolate or ternate leaves) are a leaf shape characterized by a leaf divided into three leaflets. Species which are known to be trifoliate are listed here. Genera which are characteristically trifoliate are also listed, with species underneath.
The berries and leaves often persist into late winter. Smilax rotundifolia is a very important food plant in the winter while there are more limited food choices. Examples of wildlife that will eat the berries and leaves in the late winter and early spring are Northern Cardinals, white throated sparrows, white tailed deer, and rabbits. [10]