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A continuous morphological variation in form within a species or sometimes between two species. clone A plant derived from the asexual vegetative reproduction of a parent plant, with both plants having identical genetic compositions. coalescent Having plant parts fused or grown together to form a single unit. cochleariform Concave and spoon-shaped.
The formation of woody tissue is an example of secondary growth, a change in existing tissues, in contrast to primary growth that creates new tissues, such as the elongating tip of a plant shoot. The process of wood formation ( lignification ) is commonest in the spermatophytes (seed bearing plants) and has evolved independently a number of times.
For example, along a new branch the leaves may vary in a consistent pattern along the branch. The form of leaves produced near the base of the branch will differ from leaves produced at the tip of the plant, and this difference is consistent from branch to branch on a given plant and in a given species.
Plant classification is the placing of known plants into groups or categories to show some relationship. Scientific classification follows a system of rules that standardizes the results, and groups successive categories into a hierarchy. For example, the family to which the lilies belong is classified as follows: Kingdom: Plantae; Division ...
For example: the same type of plant may be called two different vernacular names in different regions. However, since both regions also refer to the plant by its Latin scientific name, that scientific name is actually more commonly recognizable than either of the vernacular names.
The buds are heliotropic until the end of the bud stage, and finally face east. Phototropic bending can be catalyzed in the hypocotyls of juvenile sunflower seedlings while heliotropic bending in the shoot apex does not start occurring until the later developmental stages of the plant, showing a difference between these two processes. [11]
Plant ecology is the science of the functional relationships between plants and their habitats – the environments where they complete their life cycles. Plant ecologists study the composition of local and regional floras, their biodiversity, genetic diversity and fitness, the adaptation of plants to their environment, and their competitive or ...
The first column below lists seed-bearing species epithets from Stearn's Dictionary, Latin for Gardeners [4] by Lorraine Harrison, The A to Z of Plant Names by Allen Coombes, The Gardener's Botanical [5] by Ross Bayton, and the glossary of Stearn's Botanical Latin. [6]