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Xanthium strumarium (rough cocklebur, [2] Noogoora burr, [3] clotbur, common cocklebur, large cocklebur, woolgarie bur) is a species of annual plants of the family Asteraceae. [4] Some sources claim it originates in southern Europe and Asia, but has been extensively naturalized elsewhere.
Its specific name aspera is the Latin adjective asper "rough". [4] Gahnia aspera grows as a strappy tussock 50–100 cm (20–39 in) high by 50–150 cm (20–59 in) across, with leaves to 80 cm (31 in) long. [4] The underside of the leaves and leaf edges are sharp and can easily cut human skin.
Raunkiær's life-form scheme has subsequently been revised and modified by various authors, [6] [7] [8] but the main structure has survived. Raunkiær's life-form system may be useful in researching the transformations of biotas and the genesis of some groups of phytophagous animals.
The rough endoplasmic reticulum works in concert with the Golgi complex to target new proteins to their proper destinations. The second method of transport out of the endoplasmic reticulum involves areas called membrane contact sites, where the membranes of the endoplasmic reticulum and other organelles are held closely together, allowing the ...
A Flora is a book or other work which describes the plant species occurring in an area or time period, often with the aim of allowing identification. The term is usually capitalized to distinguish it from the use of "flora" to mean the plants rather than their descriptions. [1] Some classic and modern Floras are listed below.
Grass on golf courses is kept in three distinct conditions: that of the rough, the fairway, and the putting green. Grass on the fairway is mown short and even, allowing the player to strike the ball cleanly. Playing from the rough is a disadvantage because the long grass may affect the flight of the ball.
Solidago rugosa, commonly called the wrinkleleaf goldenrod [2] or rough-stemmed goldenrod, [3] is a species of flowering plant in the family Asteraceae.It is native to North America, where it is widespread across eastern and central Canada (from Newfoundland to Ontario) and the eastern and central United States (Maine west as far as Wisconsin and Iowa, south to Florida and Texas). [4]
Eriophorum (cottongrass, cotton-grass or cottonsedge) is a genus of flowering plants in the family Cyperaceae, the sedge family. They are found in the cool temperate , alpine , and Arctic regions of the Northern Hemisphere , primarily in the middle latitudes of North America, Europe, and Asia.