Bract - Wikipedia
网页In botany, a bract is a modified or specialized leaf, especially one associated with a reproductive structure such as a flower, inflorescence axis, or cone scale. Bracts are usually different from foliage leaves; they may be of a different size, color, shape, or texture.
Learn About Plant Bracts: What Is A Bract On A Plant
网页2023年2月13日 · There’s another part of the plant, somewhere between a leaf and a flower, which you don’t hear too much about. It’s called a bract, and while you may not know the name, you’ve definitely seen it. Keep reading to learn more about plant bracts.
Bract | plant structure | Britannica
网页Bract, Modified, usually small, leaflike structure often positioned beneath a flower or inflorescence. What are often taken to be the petals of flowers are sometimes bracts—for example, the large, colourful bracts of poinsettias or the showy white or pink bracts of …
Bract Definition & Meaning - Merriam-Webster
网页1. : a leaf from the axil of which a flower or floral axis arises. 2. : a leaf borne on a floral axis. especially : one subtending a flower or flower cluster. bracteal. ˈbrak-tē-əl. adjective. …
Bracts: Leaves, Petals, or Something Else? - Dave's Garden
网页2011年3月9日 · Bracts serve several purposes. When some flowers (sunflowers and other composites, for instance) first bloom, they are surrounded by thick, green bracts that protect the flowers from pests and harsh weather. The bracts form the base of these composites and remain present for the life of the inflorescence.
Understanding The Significance Of Bracts In Botany And ...
网页2023年11月21日 · Learn about bracts and their role in plant reproduction, protection, and photosynthesis. Explore different types of bracts and their functions in seed dispersal, water regulation, and more. Discover the evolutionary significance of bracts and …
3.4.3: Leaf Modifications - Biology ... - Biology LibreTexts
网页While photosynthesis is the main function of most leaves, some leaves are modified for other purposes. These include storage leaves, succulent leaves, spines, tendrils, bracts, and insect traps. ….