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This Halloween 2024, use these printable pumpkin stencils and free, easy carving patterns for the scariest, silliest, most unique, and cutest jack-o’-lanterns.
It was known by the common name "poinsettia" as early as 1836, [8] derived from Joel Roberts Poinsett, a botanist and the first US Minister to Mexico. [9] Possibly as early as 1826, Poinsett began sending poinsettias from Mexico back to his greenhouses in South Carolina. [10] Prior to poinsettia, it was known as "Mexican flame flower" or ...
Poinsettia is a subgenus deriving from the genus Euphorbia, and is endemic to North America. It contains around 24 species , most famously E. pulcherrima , the poinsettia which grows wild in the mountains on the Pacific slope of Mexico .
Joel Roberts Poinsett (March 2, 1779 – December 12, 1851) was an American physician, botanist, politician, and diplomat.He was the first U.S. agent in South America, a member of the South Carolina Legislature in the South Carolina State Capitol, at the state capital town of Columbia, and later a United States Representative (congressman) in the U.S. House of Representatives (the lower ...
The inception and further development of petals show a great variety of patterns. [7] Petals of different species of plants vary greatly in colour or colour pattern, both in visible light and in ultraviolet. Such patterns often function as guides to pollinators and are variously known as nectar guides, pollen guides, and floral guides.
Euphorbia characias flowers. Euphorbiaceae (/ j uː ˈ f oʊ r b iː ˌ eɪ s i ˌ aɪ,-s iː ˌ iː /), the spurge family, is a large family of flowering plants.In English, they are also commonly called euphorbias, [2] which is also the name of the type genus of the family.
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]
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.