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A lenticel is a porous tissue consisting of cells with large intercellular spaces in the periderm of the secondarily thickened organs and the bark of woody stems and roots of gymnosperms and dicotyledonous flowering plants. [2] It functions as a pore, providing a pathway for the direct exchange of gases between the internal tissues and ...
The epidermis is a layer of cells that cover the plant body, including the stems, leaves, flowers and fruits, that protects the plant from the outside world. In old stems the epidermal layer, cortex, and primary phloem become separated from the inner tissues by thicker formations of cork.
Dicotyledon plantlet Young castor oil plant showing its prominent two embryonic leaves (), which differ from the adult leaves. The dicotyledons, also known as dicots (or, more rarely, dicotyls), [2] are one of the two groups into which all the flowering plants (angiosperms) were formerly divided.
The cells in this layer are dead and abundant in suberin, preventing water loss from the tissues below. Suberin can also be found in various other plant structures. For example, they are present in the lenticels on the stems of many plants and the net structure in the rind of a netted melon is composed of suberised cells.
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Plant structures or organs fulfil specific functions, and those functions determine the structures that perform them. Among terrestrial (land) plants, the vascular and non-vascular plants (Bryophytes) evolved independently in terms of their adaptation to terrestrial life and are treated separately here (see Bryophytes ).
The genus Vicia is part of the subfamily Faboideae which is contained in the flowering plant family Fabaceae or commonly known as legume or bean family, of the order Fabales in the kingdom Plantae. [3] Lentil plants in the field before flowering. The former genus Lens consisted of the cultivated L. culinaris and six related wild taxa.
The Rhizophoraceae is a family of tropical or subtropical flowering plants. [2] It includes around 147 species distributed in 15 genera. [3] Under the family, there are three tribes, Rhizophoreae, Gynotrocheae, and Macarisieae. [3]