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Some inflorescences are composed of many small flowers arranged in a formation that resembles a single flower. A common example of this is most members of the very large composite group. A single daisy or sunflower, for example, is not a flower but a flower head—an inflorescence composed of numerous flowers (or florets).
The first step of plant collection begins with the selection of the sample. Viable samples include identifying features such as flowers, fruits, root systems or any other unique features. Smaller plants may require multiple individuals to make up a sample. Plants that show signs of infection should be avoided to prevent spreading the disease. [3]
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 make. The plant morphologist goes further, and discovers that the spines of cactus also share the same basic structure and development as leaves in other plants ...
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ABC model of flower development guided by three groups of homeotic genes. The ABC model of flower development is a scientific model of the process by which flowering plants produce a pattern of gene expression in meristems that leads to the appearance of an organ oriented towards sexual reproduction , a flower.
A blue flower (German: Blaue Blume) was a central symbol of inspiration for the Romanticism movement, and remains an enduring motif in Western art today. [1] It stands for desire , love , and the metaphysical striving for the infinite and unreachable.
Images of a Mimulus flower in visible light (left) and ultraviolet light (right) showing a dark nectar guide that is visible to bees but not to humans Nectar guides are markings or patterns seen in flowers of some angiosperm species, that guide pollinators to their rewards .
There are many perfectly identifiable flowers in books like The Book of Hours [11] (two volumes) by the Master of Flowers (Maître-aux-fleurs, 15th century) or Jean Bourdichon's Grandes Heures of Anne of Brittany (between 1503 and 1508), with 337 plants from the Queen's garden, captioned in Latin and French. These artists' objective was, though ...